Home / 2,572.18-3,551.14-1,689.52

Finding the Fourth Proportional to 2,572.18, 3,551.14 and 1,689.52

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Solution

The fourth proportional to 2,572.18, 3,551.14 and 1,689.52 is: 2,332.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,572.18 : 3,551.14 = 1,689.52 : x
  2. Step 2: Convert to fraction form
    2,572.18/3,551.14 = 1,689.52/x
  3. Step 3: Cross multiply
    2,572.18x = 3,551.14 × 1,689.52
  4. Step 4: Simplify right side
    2,572.18x = 5,999,722.05
  5. Step 5: Solve for x
    x = 5,999,722.05/2,572.18
  6. Step 6: Final answer
    x = 2,332.54

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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.