Home / 2,182.08-3,011.12-1,297.52

Finding the Fourth Proportional to 2,182.08, 3,011.12 and 1,297.52

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Solution

The fourth proportional to 2,182.08, 3,011.12 and 1,297.52 is: 1,790.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182.08 : 3,011.12 = 1,297.52 : x
  2. Step 2: Convert to fraction form
    2,182.08/3,011.12 = 1,297.52/x
  3. Step 3: Cross multiply
    2,182.08x = 3,011.12 × 1,297.52
  4. Step 4: Simplify right side
    2,182.08x = 3,906,988.42
  5. Step 5: Solve for x
    x = 3,906,988.42/2,182.08
  6. Step 6: Final answer
    x = 1,790.49

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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.