Home / 3,273.19-4,518.85-2,155.99

Finding the Fourth Proportional to 3,273.19, 4,518.85 and 2,155.99

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Solution

The fourth proportional to 3,273.19, 4,518.85 and 2,155.99 is: 2,976.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,273.19 : 4,518.85 = 2,155.99 : x
  2. Step 2: Convert to fraction form
    3,273.19/4,518.85 = 2,155.99/x
  3. Step 3: Cross multiply
    3,273.19x = 4,518.85 × 2,155.99
  4. Step 4: Simplify right side
    3,273.19x = 9,742,595.41
  5. Step 5: Solve for x
    x = 9,742,595.41/3,273.19
  6. Step 6: Final answer
    x = 2,976.48

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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.