Home / 2,909.93-4,345.16-2,286.63

Finding the Fourth Proportional to 2,909.93, 4,345.16 and 2,286.63

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Solution

The fourth proportional to 2,909.93, 4,345.16 and 2,286.63 is: 3,414.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909.93 : 4,345.16 = 2,286.63 : x
  2. Step 2: Convert to fraction form
    2,909.93/4,345.16 = 2,286.63/x
  3. Step 3: Cross multiply
    2,909.93x = 4,345.16 × 2,286.63
  4. Step 4: Simplify right side
    2,909.93x = 9,935,761.78
  5. Step 5: Solve for x
    x = 9,935,761.78/2,909.93
  6. Step 6: Final answer
    x = 3,414.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.