Home / 2,376.28-3,561.51-1,127.56

Finding the Fourth Proportional to 2,376.28, 3,561.51 and 1,127.56

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Solution

The fourth proportional to 2,376.28, 3,561.51 and 1,127.56 is: 1,689.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,376.28 : 3,561.51 = 1,127.56 : x
  2. Step 2: Convert to fraction form
    2,376.28/3,561.51 = 1,127.56/x
  3. Step 3: Cross multiply
    2,376.28x = 3,561.51 × 1,127.56
  4. Step 4: Simplify right side
    2,376.28x = 4,015,816.22
  5. Step 5: Solve for x
    x = 4,015,816.22/2,376.28
  6. Step 6: Final answer
    x = 1,689.96

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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.