Home / 3,116.43-4,673.28-1,655.25

Finding the Fourth Proportional to 3,116.43, 4,673.28 and 1,655.25

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Solution

The fourth proportional to 3,116.43, 4,673.28 and 1,655.25 is: 2,482.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.43 : 4,673.28 = 1,655.25 : x
  2. Step 2: Convert to fraction form
    3,116.43/4,673.28 = 1,655.25/x
  3. Step 3: Cross multiply
    3,116.43x = 4,673.28 × 1,655.25
  4. Step 4: Simplify right side
    3,116.43x = 7,735,446.72
  5. Step 5: Solve for x
    x = 7,735,446.72/3,116.43
  6. Step 6: Final answer
    x = 2,482.15

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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.