Home / 3,411.10-5,116.65-3,108.70

Finding the Fourth Proportional to 3,411.10, 5,116.65 and 3,108.70

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Solution

The fourth proportional to 3,411.10, 5,116.65 and 3,108.70 is: 4,663.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.10 : 5,116.65 = 3,108.70 : x
  2. Step 2: Convert to fraction form
    3,411.10/5,116.65 = 3,108.70/x
  3. Step 3: Cross multiply
    3,411.10x = 5,116.65 × 3,108.70
  4. Step 4: Simplify right side
    3,411.10x = 15,906,129.86
  5. Step 5: Solve for x
    x = 15,906,129.86/3,411.10
  6. Step 6: Final answer
    x = 4,663.05

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1.5x scale

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.