Home / 2,541.56-3,812.70-1,154.88

Finding the Fourth Proportional to 2,541.56, 3,812.70 and 1,154.88

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Solution

The fourth proportional to 2,541.56, 3,812.70 and 1,154.88 is: 1,732.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,541.56 : 3,812.70 = 1,154.88 : x
  2. Step 2: Convert to fraction form
    2,541.56/3,812.70 = 1,154.88/x
  3. Step 3: Cross multiply
    2,541.56x = 3,812.70 × 1,154.88
  4. Step 4: Simplify right side
    2,541.56x = 4,403,210.98
  5. Step 5: Solve for x
    x = 4,403,210.98/2,541.56
  6. Step 6: Final answer
    x = 1,732.48

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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.