Home / 3,411.18-5,115.56-2,316.47

Finding the Fourth Proportional to 3,411.18, 5,115.56 and 2,316.47

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Solution

The fourth proportional to 3,411.18, 5,115.56 and 2,316.47 is: 3,473.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.18 : 5,115.56 = 2,316.47 : x
  2. Step 2: Convert to fraction form
    3,411.18/5,115.56 = 2,316.47/x
  3. Step 3: Cross multiply
    3,411.18x = 5,115.56 × 2,316.47
  4. Step 4: Simplify right side
    3,411.18x = 11,850,004.11
  5. Step 5: Solve for x
    x = 11,850,004.11/3,411.18
  6. Step 6: Final answer
    x = 3,473.87

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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.