Home / 1,474.24-2,209.98-549.18

Finding the Fourth Proportional to 1,474.24, 2,209.98 and 549.18

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Solution

The fourth proportional to 1,474.24, 2,209.98 and 549.18 is: 823.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474.24 : 2,209.98 = 549.18 : x
  2. Step 2: Convert to fraction form
    1,474.24/2,209.98 = 549.18/x
  3. Step 3: Cross multiply
    1,474.24x = 2,209.98 × 549.18
  4. Step 4: Simplify right side
    1,474.24x = 1,213,676.82
  5. Step 5: Solve for x
    x = 1,213,676.82/1,474.24
  6. Step 6: Final answer
    x = 823.26

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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.