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Finding the Fourth Proportional to 1,502.98, 2,255.82 and 723.46

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Solution

The fourth proportional to 1,502.98, 2,255.82 and 723.46 is: 1,085.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502.98 : 2,255.82 = 723.46 : x
  2. Step 2: Convert to fraction form
    1,502.98/2,255.82 = 723.46/x
  3. Step 3: Cross multiply
    1,502.98x = 2,255.82 × 723.46
  4. Step 4: Simplify right side
    1,502.98x = 1,631,995.54
  5. Step 5: Solve for x
    x = 1,631,995.54/1,502.98
  6. Step 6: Final answer
    x = 1,085.84

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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.