Home / 1,507.55-2,263.60-1,231.14

Finding the Fourth Proportional to 1,507.55, 2,263.60 and 1,231.14

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Solution

The fourth proportional to 1,507.55, 2,263.60 and 1,231.14 is: 1,848.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507.55 : 2,263.60 = 1,231.14 : x
  2. Step 2: Convert to fraction form
    1,507.55/2,263.60 = 1,231.14/x
  3. Step 3: Cross multiply
    1,507.55x = 2,263.60 × 1,231.14
  4. Step 4: Simplify right side
    1,507.55x = 2,786,808.50
  5. Step 5: Solve for x
    x = 2,786,808.50/1,507.55
  6. Step 6: Final answer
    x = 1,848.57

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Half scale
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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.