Home / 3,437.64-5,146.43-3,109.35

Finding the Fourth Proportional to 3,437.64, 5,146.43 and 3,109.35

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Solution

The fourth proportional to 3,437.64, 5,146.43 and 3,109.35 is: 4,654.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437.64 : 5,146.43 = 3,109.35 : x
  2. Step 2: Convert to fraction form
    3,437.64/5,146.43 = 3,109.35/x
  3. Step 3: Cross multiply
    3,437.64x = 5,146.43 × 3,109.35
  4. Step 4: Simplify right side
    3,437.64x = 16,002,036.57
  5. Step 5: Solve for x
    x = 16,002,036.57/3,437.64
  6. Step 6: Final answer
    x = 4,654.95

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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.