Home / 2,232.50-3,080.85-1,237.79

Finding the Fourth Proportional to 2,232.50, 3,080.85 and 1,237.79

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Solution

The fourth proportional to 2,232.50, 3,080.85 and 1,237.79 is: 1,708.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,232.50 : 3,080.85 = 1,237.79 : x
  2. Step 2: Convert to fraction form
    2,232.50/3,080.85 = 1,237.79/x
  3. Step 3: Cross multiply
    2,232.50x = 3,080.85 × 1,237.79
  4. Step 4: Simplify right side
    2,232.50x = 3,813,429.92
  5. Step 5: Solve for x
    x = 3,813,429.92/2,232.50
  6. Step 6: Final answer
    x = 1,708.15

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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.