Home / 4,139.18-5,711.60-2,371.14

Finding the Fourth Proportional to 4,139.18, 5,711.60 and 2,371.14

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Solution

The fourth proportional to 4,139.18, 5,711.60 and 2,371.14 is: 3,271.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.18 : 5,711.60 = 2,371.14 : x
  2. Step 2: Convert to fraction form
    4,139.18/5,711.60 = 2,371.14/x
  3. Step 3: Cross multiply
    4,139.18x = 5,711.60 × 2,371.14
  4. Step 4: Simplify right side
    4,139.18x = 13,543,003.22
  5. Step 5: Solve for x
    x = 13,543,003.22/4,139.18
  6. Step 6: Final answer
    x = 3,271.90

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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.