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Finding the Fourth Proportional to 1,301.03, 1,795.57 and 741.61

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Solution

The fourth proportional to 1,301.03, 1,795.57 and 741.61 is: 1,023.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301.03 : 1,795.57 = 741.61 : x
  2. Step 2: Convert to fraction form
    1,301.03/1,795.57 = 741.61/x
  3. Step 3: Cross multiply
    1,301.03x = 1,795.57 × 741.61
  4. Step 4: Simplify right side
    1,301.03x = 1,331,615.84
  5. Step 5: Solve for x
    x = 1,331,615.84/1,301.03
  6. Step 6: Final answer
    x = 1,023.51

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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.