Home / 3,660.19-5,055.16-2,479.21

Finding the Fourth Proportional to 3,660.19, 5,055.16 and 2,479.21

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Solution

The fourth proportional to 3,660.19, 5,055.16 and 2,479.21 is: 3,424.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660.19 : 5,055.16 = 2,479.21 : x
  2. Step 2: Convert to fraction form
    3,660.19/5,055.16 = 2,479.21/x
  3. Step 3: Cross multiply
    3,660.19x = 5,055.16 × 2,479.21
  4. Step 4: Simplify right side
    3,660.19x = 12,532,789.04
  5. Step 5: Solve for x
    x = 12,532,789.04/3,660.19
  6. Step 6: Final answer
    x = 3,424.08

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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.