Home / 3,690.28-5,089.66-2,572.95

Finding the Fourth Proportional to 3,690.28, 5,089.66 and 2,572.95

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Solution

The fourth proportional to 3,690.28, 5,089.66 and 2,572.95 is: 3,548.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.28 : 5,089.66 = 2,572.95 : x
  2. Step 2: Convert to fraction form
    3,690.28/5,089.66 = 2,572.95/x
  3. Step 3: Cross multiply
    3,690.28x = 5,089.66 × 2,572.95
  4. Step 4: Simplify right side
    3,690.28x = 13,095,440.70
  5. Step 5: Solve for x
    x = 13,095,440.70/3,690.28
  6. Step 6: Final answer
    x = 3,548.63

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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.