Home / 1,474.08-2,211.12-608.16

Finding the Fourth Proportional to 1,474.08, 2,211.12 and 608.16

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Solution

The fourth proportional to 1,474.08, 2,211.12 and 608.16 is: 912.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474.08 : 2,211.12 = 608.16 : x
  2. Step 2: Convert to fraction form
    1,474.08/2,211.12 = 608.16/x
  3. Step 3: Cross multiply
    1,474.08x = 2,211.12 × 608.16
  4. Step 4: Simplify right side
    1,474.08x = 1,344,714.74
  5. Step 5: Solve for x
    x = 1,344,714.74/1,474.08
  6. Step 6: Final answer
    x = 912.24

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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.