Home / 1,013.04-1,406.76-1,003.44

Finding the Fourth Proportional to 1,013.04, 1,406.76 and 1,003.44

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Solution

The fourth proportional to 1,013.04, 1,406.76 and 1,003.44 is: 1,393.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013.04 : 1,406.76 = 1,003.44 : x
  2. Step 2: Convert to fraction form
    1,013.04/1,406.76 = 1,003.44/x
  3. Step 3: Cross multiply
    1,013.04x = 1,406.76 × 1,003.44
  4. Step 4: Simplify right side
    1,013.04x = 1,411,599.25
  5. Step 5: Solve for x
    x = 1,411,599.25/1,013.04
  6. Step 6: Final answer
    x = 1,393.43

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.