Home / 2,802.20-4,202.53-1,158.35

Finding the Fourth Proportional to 2,802.20, 4,202.53 and 1,158.35

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Solution

The fourth proportional to 2,802.20, 4,202.53 and 1,158.35 is: 1,737.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802.20 : 4,202.53 = 1,158.35 : x
  2. Step 2: Convert to fraction form
    2,802.20/4,202.53 = 1,158.35/x
  3. Step 3: Cross multiply
    2,802.20x = 4,202.53 × 1,158.35
  4. Step 4: Simplify right side
    2,802.20x = 4,868,006.87
  5. Step 5: Solve for x
    x = 4,868,006.87/2,802.20
  6. Step 6: Final answer
    x = 1,737.21

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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.