Home / 2,714.08-3,743.52-1,666.72

Finding the Fourth Proportional to 2,714.08, 3,743.52 and 1,666.72

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Solution

The fourth proportional to 2,714.08, 3,743.52 and 1,666.72 is: 2,298.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,714.08 : 3,743.52 = 1,666.72 : x
  2. Step 2: Convert to fraction form
    2,714.08/3,743.52 = 1,666.72/x
  3. Step 3: Cross multiply
    2,714.08x = 3,743.52 × 1,666.72
  4. Step 4: Simplify right side
    2,714.08x = 6,239,399.65
  5. Step 5: Solve for x
    x = 6,239,399.65/2,714.08
  6. Step 6: Final answer
    x = 2,298.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.