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Finding the Fourth Proportional to 1,374.43, 2,060.43 and 1,051.24

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Solution

The fourth proportional to 1,374.43, 2,060.43 and 1,051.24 is: 1,575.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374.43 : 2,060.43 = 1,051.24 : x
  2. Step 2: Convert to fraction form
    1,374.43/2,060.43 = 1,051.24/x
  3. Step 3: Cross multiply
    1,374.43x = 2,060.43 × 1,051.24
  4. Step 4: Simplify right side
    1,374.43x = 2,166,006.43
  5. Step 5: Solve for x
    x = 2,166,006.43/1,374.43
  6. Step 6: Final answer
    x = 1,575.93

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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.