Home / 3,073.59-4,613.13-1,431.23

Finding the Fourth Proportional to 3,073.59, 4,613.13 and 1,431.23

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Solution

The fourth proportional to 3,073.59, 4,613.13 and 1,431.23 is: 2,148.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,073.59 : 4,613.13 = 1,431.23 : x
  2. Step 2: Convert to fraction form
    3,073.59/4,613.13 = 1,431.23/x
  3. Step 3: Cross multiply
    3,073.59x = 4,613.13 × 1,431.23
  4. Step 4: Simplify right side
    3,073.59x = 6,602,426.98
  5. Step 5: Solve for x
    x = 6,602,426.98/3,073.59
  6. Step 6: Final answer
    x = 2,148.12

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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.