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Finding the Fourth Proportional to 1,502.19, 2,253.50 and 448.09

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Solution

The fourth proportional to 1,502.19, 2,253.50 and 448.09 is: 672.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502.19 : 2,253.50 = 448.09 : x
  2. Step 2: Convert to fraction form
    1,502.19/2,253.50 = 448.09/x
  3. Step 3: Cross multiply
    1,502.19x = 2,253.50 × 448.09
  4. Step 4: Simplify right side
    1,502.19x = 1,009,770.82
  5. Step 5: Solve for x
    x = 1,009,770.82/1,502.19
  6. Step 6: Final answer
    x = 672.20

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.