Home / 3,680.61-5,522.28-1,707.18

Finding the Fourth Proportional to 3,680.61, 5,522.28 and 1,707.18

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Solution

The fourth proportional to 3,680.61, 5,522.28 and 1,707.18 is: 2,561.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680.61 : 5,522.28 = 1,707.18 : x
  2. Step 2: Convert to fraction form
    3,680.61/5,522.28 = 1,707.18/x
  3. Step 3: Cross multiply
    3,680.61x = 5,522.28 × 1,707.18
  4. Step 4: Simplify right side
    3,680.61x = 9,427,525.97
  5. Step 5: Solve for x
    x = 9,427,525.97/3,680.61
  6. Step 6: Final answer
    x = 2,561.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.