Home / 3,158.08-4,358.15-1,832.55

Finding the Fourth Proportional to 3,158.08, 4,358.15 and 1,832.55

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Solution

The fourth proportional to 3,158.08, 4,358.15 and 1,832.55 is: 2,528.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.08 : 4,358.15 = 1,832.55 : x
  2. Step 2: Convert to fraction form
    3,158.08/4,358.15 = 1,832.55/x
  3. Step 3: Cross multiply
    3,158.08x = 4,358.15 × 1,832.55
  4. Step 4: Simplify right side
    3,158.08x = 7,986,527.78
  5. Step 5: Solve for x
    x = 7,986,527.78/3,158.08
  6. Step 6: Final answer
    x = 2,528.92

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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.