Home / 2,489.55-3,729.47-1,513.23

Finding the Fourth Proportional to 2,489.55, 3,729.47 and 1,513.23

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Solution

The fourth proportional to 2,489.55, 3,729.47 and 1,513.23 is: 2,266.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489.55 : 3,729.47 = 1,513.23 : x
  2. Step 2: Convert to fraction form
    2,489.55/3,729.47 = 1,513.23/x
  3. Step 3: Cross multiply
    2,489.55x = 3,729.47 × 1,513.23
  4. Step 4: Simplify right side
    2,489.55x = 5,643,538.32
  5. Step 5: Solve for x
    x = 5,643,538.32/2,489.55
  6. Step 6: Final answer
    x = 2,266.89

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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.