Home / 2,766.12-3,815.52-1,646.30

Finding the Fourth Proportional to 2,766.12, 3,815.52 and 1,646.30

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Solution

The fourth proportional to 2,766.12, 3,815.52 and 1,646.30 is: 2,270.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766.12 : 3,815.52 = 1,646.30 : x
  2. Step 2: Convert to fraction form
    2,766.12/3,815.52 = 1,646.30/x
  3. Step 3: Cross multiply
    2,766.12x = 3,815.52 × 1,646.30
  4. Step 4: Simplify right side
    2,766.12x = 6,281,471.50
  5. Step 5: Solve for x
    x = 6,281,471.50/2,766.12
  6. Step 6: Final answer
    x = 2,270.86

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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.