Home / 2,867.18-4,295.28-1,938.17

Finding the Fourth Proportional to 2,867.18, 4,295.28 and 1,938.17

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Solution

The fourth proportional to 2,867.18, 4,295.28 and 1,938.17 is: 2,903.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.18 : 4,295.28 = 1,938.17 : x
  2. Step 2: Convert to fraction form
    2,867.18/4,295.28 = 1,938.17/x
  3. Step 3: Cross multiply
    2,867.18x = 4,295.28 × 1,938.17
  4. Step 4: Simplify right side
    2,867.18x = 8,324,989.94
  5. Step 5: Solve for x
    x = 8,324,989.94/2,867.18
  6. Step 6: Final answer
    x = 2,903.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.