Home / 1,614.17-2,421.57-574.22

Finding the Fourth Proportional to 1,614.17, 2,421.57 and 574.22

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Solution

The fourth proportional to 1,614.17, 2,421.57 and 574.22 is: 861.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,614.17 : 2,421.57 = 574.22 : x
  2. Step 2: Convert to fraction form
    1,614.17/2,421.57 = 574.22/x
  3. Step 3: Cross multiply
    1,614.17x = 2,421.57 × 574.22
  4. Step 4: Simplify right side
    1,614.17x = 1,390,513.93
  5. Step 5: Solve for x
    x = 1,390,513.93/1,614.17
  6. Step 6: Final answer
    x = 861.44

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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.