Home / 1,452.75-2,179.10-357.11

Finding the Fourth Proportional to 1,452.75, 2,179.10 and 357.11

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Solution

The fourth proportional to 1,452.75, 2,179.10 and 357.11 is: 535.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452.75 : 2,179.10 = 357.11 : x
  2. Step 2: Convert to fraction form
    1,452.75/2,179.10 = 357.11/x
  3. Step 3: Cross multiply
    1,452.75x = 2,179.10 × 357.11
  4. Step 4: Simplify right side
    1,452.75x = 778,178.40
  5. Step 5: Solve for x
    x = 778,178.40/1,452.75
  6. Step 6: Final answer
    x = 535.66

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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.