Home / 2,392.68-3,298.14-2,191.80

Finding the Fourth Proportional to 2,392.68, 3,298.14 and 2,191.80

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Solution

The fourth proportional to 2,392.68, 3,298.14 and 2,191.80 is: 3,021.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,392.68 : 3,298.14 = 2,191.80 : x
  2. Step 2: Convert to fraction form
    2,392.68/3,298.14 = 2,191.80/x
  3. Step 3: Cross multiply
    2,392.68x = 3,298.14 × 2,191.80
  4. Step 4: Simplify right side
    2,392.68x = 7,228,863.25
  5. Step 5: Solve for x
    x = 7,228,863.25/2,392.68
  6. Step 6: Final answer
    x = 3,021.24

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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.