Home / 1,658.03-2,487.45-1,172.03

Finding the Fourth Proportional to 1,658.03, 2,487.45 and 1,172.03

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Solution

The fourth proportional to 1,658.03, 2,487.45 and 1,172.03 is: 1,758.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658.03 : 2,487.45 = 1,172.03 : x
  2. Step 2: Convert to fraction form
    1,658.03/2,487.45 = 1,172.03/x
  3. Step 3: Cross multiply
    1,658.03x = 2,487.45 × 1,172.03
  4. Step 4: Simplify right side
    1,658.03x = 2,915,366.02
  5. Step 5: Solve for x
    x = 2,915,366.02/1,658.03
  6. Step 6: Final answer
    x = 1,758.33

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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.