Home / 3,256.18-4,885.44-1,280.71

Finding the Fourth Proportional to 3,256.18, 4,885.44 and 1,280.71

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Solution

The fourth proportional to 3,256.18, 4,885.44 and 1,280.71 is: 1,921.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256.18 : 4,885.44 = 1,280.71 : x
  2. Step 2: Convert to fraction form
    3,256.18/4,885.44 = 1,280.71/x
  3. Step 3: Cross multiply
    3,256.18x = 4,885.44 × 1,280.71
  4. Step 4: Simplify right side
    3,256.18x = 6,256,834.97
  5. Step 5: Solve for x
    x = 6,256,834.97/3,256.18
  6. Step 6: Final answer
    x = 1,921.53

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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.