Home / 3,296.11-4,548.10-3,129.91

Finding the Fourth Proportional to 3,296.11, 4,548.10 and 3,129.91

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Solution

The fourth proportional to 3,296.11, 4,548.10 and 3,129.91 is: 4,318.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,296.11 : 4,548.10 = 3,129.91 : x
  2. Step 2: Convert to fraction form
    3,296.11/4,548.10 = 3,129.91/x
  3. Step 3: Cross multiply
    3,296.11x = 4,548.10 × 3,129.91
  4. Step 4: Simplify right side
    3,296.11x = 14,235,143.67
  5. Step 5: Solve for x
    x = 14,235,143.67/3,296.11
  6. Step 6: Final answer
    x = 4,318.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.