Home / 1,474.08-2,211.44-549.65

Finding the Fourth Proportional to 1,474.08, 2,211.44 and 549.65

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Solution

The fourth proportional to 1,474.08, 2,211.44 and 549.65 is: 824.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474.08 : 2,211.44 = 549.65 : x
  2. Step 2: Convert to fraction form
    1,474.08/2,211.44 = 549.65/x
  3. Step 3: Cross multiply
    1,474.08x = 2,211.44 × 549.65
  4. Step 4: Simplify right side
    1,474.08x = 1,215,504.19
  5. Step 5: Solve for x
    x = 1,215,504.19/1,474.08
  6. Step 6: Final answer
    x = 824.58

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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.