Home / 4,158.39-5,739.31-2,479.90

Finding the Fourth Proportional to 4,158.39, 5,739.31 and 2,479.90

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Solution

The fourth proportional to 4,158.39, 5,739.31 and 2,479.90 is: 3,422.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,158.39 : 5,739.31 = 2,479.90 : x
  2. Step 2: Convert to fraction form
    4,158.39/5,739.31 = 2,479.90/x
  3. Step 3: Cross multiply
    4,158.39x = 5,739.31 × 2,479.90
  4. Step 4: Simplify right side
    4,158.39x = 14,232,914.87
  5. Step 5: Solve for x
    x = 14,232,914.87/4,158.39
  6. Step 6: Final answer
    x = 3,422.70

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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.