Home / 3,689.28-5,088.29-2,571.95

Finding the Fourth Proportional to 3,689.28, 5,088.29 and 2,571.95

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Solution

The fourth proportional to 3,689.28, 5,088.29 and 2,571.95 is: 3,547.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689.28 : 5,088.29 = 2,571.95 : x
  2. Step 2: Convert to fraction form
    3,689.28/5,088.29 = 2,571.95/x
  3. Step 3: Cross multiply
    3,689.28x = 5,088.29 × 2,571.95
  4. Step 4: Simplify right side
    3,689.28x = 13,086,827.33
  5. Step 5: Solve for x
    x = 13,086,827.33/3,689.28
  6. Step 6: Final answer
    x = 3,547.26

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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.