Home / 1,454.72-2,180.90-632.41

Finding the Fourth Proportional to 1,454.72, 2,180.90 and 632.41

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Solution

The fourth proportional to 1,454.72, 2,180.90 and 632.41 is: 948.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454.72 : 2,180.90 = 632.41 : x
  2. Step 2: Convert to fraction form
    1,454.72/2,180.90 = 632.41/x
  3. Step 3: Cross multiply
    1,454.72x = 2,180.90 × 632.41
  4. Step 4: Simplify right side
    1,454.72x = 1,379,219.10
  5. Step 5: Solve for x
    x = 1,379,219.10/1,454.72
  6. Step 6: Final answer
    x = 948.10

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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.