Home / 4,158.80-5,739.01-2,390.38

Finding the Fourth Proportional to 4,158.80, 5,739.01 and 2,390.38

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Solution

The fourth proportional to 4,158.80, 5,739.01 and 2,390.38 is: 3,298.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,158.80 : 5,739.01 = 2,390.38 : x
  2. Step 2: Convert to fraction form
    4,158.80/5,739.01 = 2,390.38/x
  3. Step 3: Cross multiply
    4,158.80x = 5,739.01 × 2,390.38
  4. Step 4: Simplify right side
    4,158.80x = 13,718,414.72
  5. Step 5: Solve for x
    x = 13,718,414.72/4,158.80
  6. Step 6: Final answer
    x = 3,298.65

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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.