Home / 1,452.03-2,005.13-928.98

Finding the Fourth Proportional to 1,452.03, 2,005.13 and 928.98

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Solution

The fourth proportional to 1,452.03, 2,005.13 and 928.98 is: 1,282.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452.03 : 2,005.13 = 928.98 : x
  2. Step 2: Convert to fraction form
    1,452.03/2,005.13 = 928.98/x
  3. Step 3: Cross multiply
    1,452.03x = 2,005.13 × 928.98
  4. Step 4: Simplify right side
    1,452.03x = 1,862,725.67
  5. Step 5: Solve for x
    x = 1,862,725.67/1,452.03
  6. Step 6: Final answer
    x = 1,282.84

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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.