Home / 4,199.68-5,795.78-2,521.20

Finding the Fourth Proportional to 4,199.68, 5,795.78 and 2,521.20

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Solution

The fourth proportional to 4,199.68, 5,795.78 and 2,521.20 is: 3,479.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,199.68 : 5,795.78 = 2,521.20 : x
  2. Step 2: Convert to fraction form
    4,199.68/5,795.78 = 2,521.20/x
  3. Step 3: Cross multiply
    4,199.68x = 5,795.78 × 2,521.20
  4. Step 4: Simplify right side
    4,199.68x = 14,612,320.54
  5. Step 5: Solve for x
    x = 14,612,320.54/4,199.68
  6. Step 6: Final answer
    x = 3,479.39

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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.