Home / 3,479.60-4,801.55-2,135.95

Finding the Fourth Proportional to 3,479.60, 4,801.55 and 2,135.95

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Solution

The fourth proportional to 3,479.60, 4,801.55 and 2,135.95 is: 2,947.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.60 : 4,801.55 = 2,135.95 : x
  2. Step 2: Convert to fraction form
    3,479.60/4,801.55 = 2,135.95/x
  3. Step 3: Cross multiply
    3,479.60x = 4,801.55 × 2,135.95
  4. Step 4: Simplify right side
    3,479.60x = 10,255,848.04
  5. Step 5: Solve for x
    x = 10,255,848.04/3,479.60
  6. Step 6: Final answer
    x = 2,947.42

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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.