Home / 3,210.60-4,784.15-2,883.55

Finding the Fourth Proportional to 3,210.60, 4,784.15 and 2,883.55

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Solution

The fourth proportional to 3,210.60, 4,784.15 and 2,883.55 is: 4,296.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.60 : 4,784.15 = 2,883.55 : x
  2. Step 2: Convert to fraction form
    3,210.60/4,784.15 = 2,883.55/x
  3. Step 3: Cross multiply
    3,210.60x = 4,784.15 × 2,883.55
  4. Step 4: Simplify right side
    3,210.60x = 13,795,335.73
  5. Step 5: Solve for x
    x = 13,795,335.73/3,210.60
  6. Step 6: Final answer
    x = 4,296.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.