Home / 2,948.18-4,420.75-867.92

Finding the Fourth Proportional to 2,948.18, 4,420.75 and 867.92

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Solution

The fourth proportional to 2,948.18, 4,420.75 and 867.92 is: 1,301.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.18 : 4,420.75 = 867.92 : x
  2. Step 2: Convert to fraction form
    2,948.18/4,420.75 = 867.92/x
  3. Step 3: Cross multiply
    2,948.18x = 4,420.75 × 867.92
  4. Step 4: Simplify right side
    2,948.18x = 3,836,846.29
  5. Step 5: Solve for x
    x = 3,836,846.29/2,948.18
  6. Step 6: Final answer
    x = 1,301.43

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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.