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Finding the Fourth Proportional to 1,034.51, 1,552.01 and 742.14

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Solution

The fourth proportional to 1,034.51, 1,552.01 and 742.14 is: 1,113.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034.51 : 1,552.01 = 742.14 : x
  2. Step 2: Convert to fraction form
    1,034.51/1,552.01 = 742.14/x
  3. Step 3: Cross multiply
    1,034.51x = 1,552.01 × 742.14
  4. Step 4: Simplify right side
    1,034.51x = 1,151,804.99
  5. Step 5: Solve for x
    x = 1,151,804.99/1,034.51
  6. Step 6: Final answer
    x = 1,113.39

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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.