Home / 3,545.03-4,892.24-2,128.24

Finding the Fourth Proportional to 3,545.03, 4,892.24 and 2,128.24

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Solution

The fourth proportional to 3,545.03, 4,892.24 and 2,128.24 is: 2,937.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.03 : 4,892.24 = 2,128.24 : x
  2. Step 2: Convert to fraction form
    3,545.03/4,892.24 = 2,128.24/x
  3. Step 3: Cross multiply
    3,545.03x = 4,892.24 × 2,128.24
  4. Step 4: Simplify right side
    3,545.03x = 10,411,860.86
  5. Step 5: Solve for x
    x = 10,411,860.86/3,545.03
  6. Step 6: Final answer
    x = 2,937.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.