Home / 2,443.20-3,656.70-1,714.20

Finding the Fourth Proportional to 2,443.20, 3,656.70 and 1,714.20

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Solution

The fourth proportional to 2,443.20, 3,656.70 and 1,714.20 is: 2,565.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,443.20 : 3,656.70 = 1,714.20 : x
  2. Step 2: Convert to fraction form
    2,443.20/3,656.70 = 1,714.20/x
  3. Step 3: Cross multiply
    2,443.20x = 3,656.70 × 1,714.20
  4. Step 4: Simplify right side
    2,443.20x = 6,268,315.14
  5. Step 5: Solve for x
    x = 6,268,315.14/2,443.20
  6. Step 6: Final answer
    x = 2,565.62

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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.