Home / 3,264.48-4,505.58-1,938.90

Finding the Fourth Proportional to 3,264.48, 4,505.58 and 1,938.90

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Solution

The fourth proportional to 3,264.48, 4,505.58 and 1,938.90 is: 2,676.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,264.48 : 4,505.58 = 1,938.90 : x
  2. Step 2: Convert to fraction form
    3,264.48/4,505.58 = 1,938.90/x
  3. Step 3: Cross multiply
    3,264.48x = 4,505.58 × 1,938.90
  4. Step 4: Simplify right side
    3,264.48x = 8,735,869.06
  5. Step 5: Solve for x
    x = 8,735,869.06/3,264.48
  6. Step 6: Final answer
    x = 2,676.04

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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.