Home / 3,110.10-4,665.15-3,077.70

Finding the Fourth Proportional to 3,110.10, 4,665.15 and 3,077.70

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Solution

The fourth proportional to 3,110.10, 4,665.15 and 3,077.70 is: 4,616.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.10 : 4,665.15 = 3,077.70 : x
  2. Step 2: Convert to fraction form
    3,110.10/4,665.15 = 3,077.70/x
  3. Step 3: Cross multiply
    3,110.10x = 4,665.15 × 3,077.70
  4. Step 4: Simplify right side
    3,110.10x = 14,357,932.16
  5. Step 5: Solve for x
    x = 14,357,932.16/3,110.10
  6. Step 6: Final answer
    x = 4,616.55

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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.