Home / 4,121.61-5,689.79-2,352.87

Finding the Fourth Proportional to 4,121.61, 5,689.79 and 2,352.87

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Solution

The fourth proportional to 4,121.61, 5,689.79 and 2,352.87 is: 3,248.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.61 : 5,689.79 = 2,352.87 : x
  2. Step 2: Convert to fraction form
    4,121.61/5,689.79 = 2,352.87/x
  3. Step 3: Cross multiply
    4,121.61x = 5,689.79 × 2,352.87
  4. Step 4: Simplify right side
    4,121.61x = 13,387,330.32
  5. Step 5: Solve for x
    x = 13,387,330.32/4,121.61
  6. Step 6: Final answer
    x = 3,248.09

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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.