Home / 3,515.85-4,848.39-2,256.71

Finding the Fourth Proportional to 3,515.85, 4,848.39 and 2,256.71

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Solution

The fourth proportional to 3,515.85, 4,848.39 and 2,256.71 is: 3,112.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.85 : 4,848.39 = 2,256.71 : x
  2. Step 2: Convert to fraction form
    3,515.85/4,848.39 = 2,256.71/x
  3. Step 3: Cross multiply
    3,515.85x = 4,848.39 × 2,256.71
  4. Step 4: Simplify right side
    3,515.85x = 10,941,385.95
  5. Step 5: Solve for x
    x = 10,941,385.95/3,515.85
  6. Step 6: Final answer
    x = 3,112.02

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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.