Home / 3,139.02-4,701.24-2,269.08

Finding the Fourth Proportional to 3,139.02, 4,701.24 and 2,269.08

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Solution

The fourth proportional to 3,139.02, 4,701.24 and 2,269.08 is: 3,398.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139.02 : 4,701.24 = 2,269.08 : x
  2. Step 2: Convert to fraction form
    3,139.02/4,701.24 = 2,269.08/x
  3. Step 3: Cross multiply
    3,139.02x = 4,701.24 × 2,269.08
  4. Step 4: Simplify right side
    3,139.02x = 10,667,489.66
  5. Step 5: Solve for x
    x = 10,667,489.66/3,139.02
  6. Step 6: Final answer
    x = 3,398.35

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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.