Home / 4,158.92-5,739.18-2,390.49

Finding the Fourth Proportional to 4,158.92, 5,739.18 and 2,390.49

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Solution

The fourth proportional to 4,158.92, 5,739.18 and 2,390.49 is: 3,298.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,158.92 : 5,739.18 = 2,390.49 : x
  2. Step 2: Convert to fraction form
    4,158.92/5,739.18 = 2,390.49/x
  3. Step 3: Cross multiply
    4,158.92x = 5,739.18 × 2,390.49
  4. Step 4: Simplify right side
    4,158.92x = 13,719,452.40
  5. Step 5: Solve for x
    x = 13,719,452.40/4,158.92
  6. Step 6: Final answer
    x = 3,298.80

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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.