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Finding the Fourth Proportional to 1,541.06, 2,126.04 and 951.92

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Solution

The fourth proportional to 1,541.06, 2,126.04 and 951.92 is: 1,313.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,541.06 : 2,126.04 = 951.92 : x
  2. Step 2: Convert to fraction form
    1,541.06/2,126.04 = 951.92/x
  3. Step 3: Cross multiply
    1,541.06x = 2,126.04 × 951.92
  4. Step 4: Simplify right side
    1,541.06x = 2,023,820.00
  5. Step 5: Solve for x
    x = 2,023,820.00/1,541.06
  6. Step 6: Final answer
    x = 1,313.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.