Home / 3,158.40-4,358.58-1,832.52

Finding the Fourth Proportional to 3,158.40, 4,358.58 and 1,832.52

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Solution

The fourth proportional to 3,158.40, 4,358.58 and 1,832.52 is: 2,528.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.40 : 4,358.58 = 1,832.52 : x
  2. Step 2: Convert to fraction form
    3,158.40/4,358.58 = 1,832.52/x
  3. Step 3: Cross multiply
    3,158.40x = 4,358.58 × 1,832.52
  4. Step 4: Simplify right side
    3,158.40x = 7,987,185.02
  5. Step 5: Solve for x
    x = 7,987,185.02/3,158.40
  6. Step 6: Final answer
    x = 2,528.87

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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.