Home / 3,746.18-5,619.88-1,666.90

Finding the Fourth Proportional to 3,746.18, 5,619.88 and 1,666.90

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Solution

The fourth proportional to 3,746.18, 5,619.88 and 1,666.90 is: 2,500.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746.18 : 5,619.88 = 1,666.90 : x
  2. Step 2: Convert to fraction form
    3,746.18/5,619.88 = 1,666.90/x
  3. Step 3: Cross multiply
    3,746.18x = 5,619.88 × 1,666.90
  4. Step 4: Simplify right side
    3,746.18x = 9,367,777.97
  5. Step 5: Solve for x
    x = 9,367,777.97/3,746.18
  6. Step 6: Final answer
    x = 2,500.62

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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.