Home / 1,143.04-1,712.40-1,013.44

Finding the Fourth Proportional to 1,143.04, 1,712.40 and 1,013.44

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Solution

The fourth proportional to 1,143.04, 1,712.40 and 1,013.44 is: 1,518.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143.04 : 1,712.40 = 1,013.44 : x
  2. Step 2: Convert to fraction form
    1,143.04/1,712.40 = 1,013.44/x
  3. Step 3: Cross multiply
    1,143.04x = 1,712.40 × 1,013.44
  4. Step 4: Simplify right side
    1,143.04x = 1,735,414.66
  5. Step 5: Solve for x
    x = 1,735,414.66/1,143.04
  6. Step 6: Final answer
    x = 1,518.24

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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.