Home / 3,132.71-4,326.05-2,345.39

Finding the Fourth Proportional to 3,132.71, 4,326.05 and 2,345.39

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Solution

The fourth proportional to 3,132.71, 4,326.05 and 2,345.39 is: 3,238.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.71 : 4,326.05 = 2,345.39 : x
  2. Step 2: Convert to fraction form
    3,132.71/4,326.05 = 2,345.39/x
  3. Step 3: Cross multiply
    3,132.71x = 4,326.05 × 2,345.39
  4. Step 4: Simplify right side
    3,132.71x = 10,146,274.41
  5. Step 5: Solve for x
    x = 10,146,274.41/3,132.71
  6. Step 6: Final answer
    x = 3,238.82

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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.