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Finding the Fourth Proportional to 1,508.76, 2,271.24 and 1,350

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Solution

The fourth proportional to 1,508.76, 2,271.24 and 1,350 is: 2,032.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508.76 : 2,271.24 = 1,350 : x
  2. Step 2: Convert to fraction form
    1,508.76/2,271.24 = 1,350/x
  3. Step 3: Cross multiply
    1,508.76x = 2,271.24 × 1,350
  4. Step 4: Simplify right side
    1,508.76x = 3,066,174.00
  5. Step 5: Solve for x
    x = 3,066,174.00/1,508.76
  6. Step 6: Final answer
    x = 2,032.25

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.