Home / 4,158.90-5,740.25-2,391.53

Finding the Fourth Proportional to 4,158.90, 5,740.25 and 2,391.53

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Solution

The fourth proportional to 4,158.90, 5,740.25 and 2,391.53 is: 3,300.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,158.90 : 5,740.25 = 2,391.53 : x
  2. Step 2: Convert to fraction form
    4,158.90/5,740.25 = 2,391.53/x
  3. Step 3: Cross multiply
    4,158.90x = 5,740.25 × 2,391.53
  4. Step 4: Simplify right side
    4,158.90x = 13,727,939.42
  5. Step 5: Solve for x
    x = 13,727,939.42/4,158.90
  6. Step 6: Final answer
    x = 3,300.86

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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.