Home / 2,397.20-3,596.08-836.72

Finding the Fourth Proportional to 2,397.20, 3,596.08 and 836.72

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Solution

The fourth proportional to 2,397.20, 3,596.08 and 836.72 is: 1,255.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,397.20 : 3,596.08 = 836.72 : x
  2. Step 2: Convert to fraction form
    2,397.20/3,596.08 = 836.72/x
  3. Step 3: Cross multiply
    2,397.20x = 3,596.08 × 836.72
  4. Step 4: Simplify right side
    2,397.20x = 3,008,912.06
  5. Step 5: Solve for x
    x = 3,008,912.06/2,397.20
  6. Step 6: Final answer
    x = 1,255.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.