Home / 3,139.64-4,332.14-2,035

Finding the Fourth Proportional to 3,139.64, 4,332.14 and 2,035

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Solution

The fourth proportional to 3,139.64, 4,332.14 and 2,035 is: 2,807.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139.64 : 4,332.14 = 2,035 : x
  2. Step 2: Convert to fraction form
    3,139.64/4,332.14 = 2,035/x
  3. Step 3: Cross multiply
    3,139.64x = 4,332.14 × 2,035
  4. Step 4: Simplify right side
    3,139.64x = 8,815,904.90
  5. Step 5: Solve for x
    x = 8,815,904.90/3,139.64
  6. Step 6: Final answer
    x = 2,807.93

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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.