Home / 1,452.03-2,178.05-356.40

Finding the Fourth Proportional to 1,452.03, 2,178.05 and 356.40

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Solution

The fourth proportional to 1,452.03, 2,178.05 and 356.40 is: 534.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452.03 : 2,178.05 = 356.40 : x
  2. Step 2: Convert to fraction form
    1,452.03/2,178.05 = 356.40/x
  3. Step 3: Cross multiply
    1,452.03x = 2,178.05 × 356.40
  4. Step 4: Simplify right side
    1,452.03x = 776,255.24
  5. Step 5: Solve for x
    x = 776,255.24/1,452.03
  6. Step 6: Final answer
    x = 534.60

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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.