Home / 3,964.08-5,470.48-2,195.84

Finding the Fourth Proportional to 3,964.08, 5,470.48 and 2,195.84

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Solution

The fourth proportional to 3,964.08, 5,470.48 and 2,195.84 is: 3,030.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964.08 : 5,470.48 = 2,195.84 : x
  2. Step 2: Convert to fraction form
    3,964.08/5,470.48 = 2,195.84/x
  3. Step 3: Cross multiply
    3,964.08x = 5,470.48 × 2,195.84
  4. Step 4: Simplify right side
    3,964.08x = 12,012,298.80
  5. Step 5: Solve for x
    x = 12,012,298.80/3,964.08
  6. Step 6: Final answer
    x = 3,030.29

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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.