Home / 3,135.27-4,332.39-2,088.75

Finding the Fourth Proportional to 3,135.27, 4,332.39 and 2,088.75

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Solution

The fourth proportional to 3,135.27, 4,332.39 and 2,088.75 is: 2,886.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.27 : 4,332.39 = 2,088.75 : x
  2. Step 2: Convert to fraction form
    3,135.27/4,332.39 = 2,088.75/x
  3. Step 3: Cross multiply
    3,135.27x = 4,332.39 × 2,088.75
  4. Step 4: Simplify right side
    3,135.27x = 9,049,279.61
  5. Step 5: Solve for x
    x = 9,049,279.61/3,135.27
  6. Step 6: Final answer
    x = 2,886.28

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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.