Home / 3,259.60-4,877.16-1,938.54

Finding the Fourth Proportional to 3,259.60, 4,877.16 and 1,938.54

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Solution

The fourth proportional to 3,259.60, 4,877.16 and 1,938.54 is: 2,900.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,259.60 : 4,877.16 = 1,938.54 : x
  2. Step 2: Convert to fraction form
    3,259.60/4,877.16 = 1,938.54/x
  3. Step 3: Cross multiply
    3,259.60x = 4,877.16 × 1,938.54
  4. Step 4: Simplify right side
    3,259.60x = 9,454,569.75
  5. Step 5: Solve for x
    x = 9,454,569.75/3,259.60
  6. Step 6: Final answer
    x = 2,900.53

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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.