Home / 2,283.12-3,150.70-1,235.18

Finding the Fourth Proportional to 2,283.12, 3,150.70 and 1,235.18

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Solution

The fourth proportional to 2,283.12, 3,150.70 and 1,235.18 is: 1,704.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,283.12 : 3,150.70 = 1,235.18 : x
  2. Step 2: Convert to fraction form
    2,283.12/3,150.70 = 1,235.18/x
  3. Step 3: Cross multiply
    2,283.12x = 3,150.70 × 1,235.18
  4. Step 4: Simplify right side
    2,283.12x = 3,891,659.70
  5. Step 5: Solve for x
    x = 3,891,659.70/2,283.12
  6. Step 6: Final answer
    x = 1,704.54

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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.