Home / 2,232.52-3,080.18-1,288.19

Finding the Fourth Proportional to 2,232.52, 3,080.18 and 1,288.19

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Solution

The fourth proportional to 2,232.52, 3,080.18 and 1,288.19 is: 1,777.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,232.52 : 3,080.18 = 1,288.19 : x
  2. Step 2: Convert to fraction form
    2,232.52/3,080.18 = 1,288.19/x
  3. Step 3: Cross multiply
    2,232.52x = 3,080.18 × 1,288.19
  4. Step 4: Simplify right side
    2,232.52x = 3,967,843.42
  5. Step 5: Solve for x
    x = 3,967,843.42/2,232.52
  6. Step 6: Final answer
    x = 1,777.29

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1.5x scale

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.