Home / 3,145.86-4,714.31-2,317.62

Finding the Fourth Proportional to 3,145.86, 4,714.31 and 2,317.62

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Solution

The fourth proportional to 3,145.86, 4,714.31 and 2,317.62 is: 3,473.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145.86 : 4,714.31 = 2,317.62 : x
  2. Step 2: Convert to fraction form
    3,145.86/4,714.31 = 2,317.62/x
  3. Step 3: Cross multiply
    3,145.86x = 4,714.31 × 2,317.62
  4. Step 4: Simplify right side
    3,145.86x = 10,925,979.14
  5. Step 5: Solve for x
    x = 10,925,979.14/3,145.86
  6. Step 6: Final answer
    x = 3,473.13

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1.5x scale

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.