Home / 2,169.17-3,254.52-1,129.13

Finding the Fourth Proportional to 2,169.17, 3,254.52 and 1,129.13

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Solution

The fourth proportional to 2,169.17, 3,254.52 and 1,129.13 is: 1,694.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,169.17 : 3,254.52 = 1,129.13 : x
  2. Step 2: Convert to fraction form
    2,169.17/3,254.52 = 1,129.13/x
  3. Step 3: Cross multiply
    2,169.17x = 3,254.52 × 1,129.13
  4. Step 4: Simplify right side
    2,169.17x = 3,674,776.17
  5. Step 5: Solve for x
    x = 3,674,776.17/2,169.17
  6. Step 6: Final answer
    x = 1,694.09

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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.