Home / 2,545.36-3,818.40-1,157.92

Finding the Fourth Proportional to 2,545.36, 3,818.40 and 1,157.92

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Solution

The fourth proportional to 2,545.36, 3,818.40 and 1,157.92 is: 1,737.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545.36 : 3,818.40 = 1,157.92 : x
  2. Step 2: Convert to fraction form
    2,545.36/3,818.40 = 1,157.92/x
  3. Step 3: Cross multiply
    2,545.36x = 3,818.40 × 1,157.92
  4. Step 4: Simplify right side
    2,545.36x = 4,421,401.73
  5. Step 5: Solve for x
    x = 4,421,401.73/2,545.36
  6. Step 6: Final answer
    x = 1,737.04

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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.