Home / 1,548.08-2,321.88-452.22

Finding the Fourth Proportional to 1,548.08, 2,321.88 and 452.22

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Solution

The fourth proportional to 1,548.08, 2,321.88 and 452.22 is: 678.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548.08 : 2,321.88 = 452.22 : x
  2. Step 2: Convert to fraction form
    1,548.08/2,321.88 = 452.22/x
  3. Step 3: Cross multiply
    1,548.08x = 2,321.88 × 452.22
  4. Step 4: Simplify right side
    1,548.08x = 1,050,000.57
  5. Step 5: Solve for x
    x = 1,050,000.57/1,548.08
  6. Step 6: Final answer
    x = 678.26

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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.