Home / 2,249.31-3,374.64-1,209.18

Finding the Fourth Proportional to 2,249.31, 3,374.64 and 1,209.18

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Solution

The fourth proportional to 2,249.31, 3,374.64 and 1,209.18 is: 1,814.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,249.31 : 3,374.64 = 1,209.18 : x
  2. Step 2: Convert to fraction form
    2,249.31/3,374.64 = 1,209.18/x
  3. Step 3: Cross multiply
    2,249.31x = 3,374.64 × 1,209.18
  4. Step 4: Simplify right side
    2,249.31x = 4,080,547.20
  5. Step 5: Solve for x
    x = 4,080,547.20/2,249.31
  6. Step 6: Final answer
    x = 1,814.13

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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.