Home / 4,142.88-5,715.45-2,570.04

Finding the Fourth Proportional to 4,142.88, 5,715.45 and 2,570.04

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Solution

The fourth proportional to 4,142.88, 5,715.45 and 2,570.04 is: 3,545.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,142.88 : 5,715.45 = 2,570.04 : x
  2. Step 2: Convert to fraction form
    4,142.88/5,715.45 = 2,570.04/x
  3. Step 3: Cross multiply
    4,142.88x = 5,715.45 × 2,570.04
  4. Step 4: Simplify right side
    4,142.88x = 14,688,935.12
  5. Step 5: Solve for x
    x = 14,688,935.12/4,142.88
  6. Step 6: Final answer
    x = 3,545.59

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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.