Home / 1,051.20-1,449.14-735.49

Finding the Fourth Proportional to 1,051.20, 1,449.14 and 735.49

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Solution

The fourth proportional to 1,051.20, 1,449.14 and 735.49 is: 1,013.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051.20 : 1,449.14 = 735.49 : x
  2. Step 2: Convert to fraction form
    1,051.20/1,449.14 = 735.49/x
  3. Step 3: Cross multiply
    1,051.20x = 1,449.14 × 735.49
  4. Step 4: Simplify right side
    1,051.20x = 1,065,830.29
  5. Step 5: Solve for x
    x = 1,065,830.29/1,051.20
  6. Step 6: Final answer
    x = 1,013.91

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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.