Home / 2,383.85-3,287.23-1,885.70

Finding the Fourth Proportional to 2,383.85, 3,287.23 and 1,885.70

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Solution

The fourth proportional to 2,383.85, 3,287.23 and 1,885.70 is: 2,600.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,383.85 : 3,287.23 = 1,885.70 : x
  2. Step 2: Convert to fraction form
    2,383.85/3,287.23 = 1,885.70/x
  3. Step 3: Cross multiply
    2,383.85x = 3,287.23 × 1,885.70
  4. Step 4: Simplify right side
    2,383.85x = 6,198,729.61
  5. Step 5: Solve for x
    x = 6,198,729.61/2,383.85
  6. Step 6: Final answer
    x = 2,600.30

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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.