Home / 2,318.31-3,197.50-1,610.15

Finding the Fourth Proportional to 2,318.31, 3,197.50 and 1,610.15

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Solution

The fourth proportional to 2,318.31, 3,197.50 and 1,610.15 is: 2,220.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.31 : 3,197.50 = 1,610.15 : x
  2. Step 2: Convert to fraction form
    2,318.31/3,197.50 = 1,610.15/x
  3. Step 3: Cross multiply
    2,318.31x = 3,197.50 × 1,610.15
  4. Step 4: Simplify right side
    2,318.31x = 5,148,434.61
  5. Step 5: Solve for x
    x = 5,148,434.61/2,318.31
  6. Step 6: Final answer
    x = 2,220.77

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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.