Home / 2,436.24-3,655.20-770.62

Finding the Fourth Proportional to 2,436.24, 3,655.20 and 770.62

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Solution

The fourth proportional to 2,436.24, 3,655.20 and 770.62 is: 1,156.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,436.24 : 3,655.20 = 770.62 : x
  2. Step 2: Convert to fraction form
    2,436.24/3,655.20 = 770.62/x
  3. Step 3: Cross multiply
    2,436.24x = 3,655.20 × 770.62
  4. Step 4: Simplify right side
    2,436.24x = 2,816,763.98
  5. Step 5: Solve for x
    x = 2,816,763.98/2,436.24
  6. Step 6: Final answer
    x = 1,156.19

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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.