Home / 3,451.10-5,176.65-1,259.90

Finding the Fourth Proportional to 3,451.10, 5,176.65 and 1,259.90

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Solution

The fourth proportional to 3,451.10, 5,176.65 and 1,259.90 is: 1,889.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.10 : 5,176.65 = 1,259.90 : x
  2. Step 2: Convert to fraction form
    3,451.10/5,176.65 = 1,259.90/x
  3. Step 3: Cross multiply
    3,451.10x = 5,176.65 × 1,259.90
  4. Step 4: Simplify right side
    3,451.10x = 6,522,061.34
  5. Step 5: Solve for x
    x = 6,522,061.34/3,451.10
  6. Step 6: Final answer
    x = 1,889.85

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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.