Home / 2,866.20-4,295.52-2,215.68

Finding the Fourth Proportional to 2,866.20, 4,295.52 and 2,215.68

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Solution

The fourth proportional to 2,866.20, 4,295.52 and 2,215.68 is: 3,320.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,866.20 : 4,295.52 = 2,215.68 : x
  2. Step 2: Convert to fraction form
    2,866.20/4,295.52 = 2,215.68/x
  3. Step 3: Cross multiply
    2,866.20x = 4,295.52 × 2,215.68
  4. Step 4: Simplify right side
    2,866.20x = 9,517,497.75
  5. Step 5: Solve for x
    x = 9,517,497.75/2,866.20
  6. Step 6: Final answer
    x = 3,320.60

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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.