Home / 2,392.20-3,586.74-2,151.48

Finding the Fourth Proportional to 2,392.20, 3,586.74 and 2,151.48

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Solution

The fourth proportional to 2,392.20, 3,586.74 and 2,151.48 is: 3,225.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,392.20 : 3,586.74 = 2,151.48 : x
  2. Step 2: Convert to fraction form
    2,392.20/3,586.74 = 2,151.48/x
  3. Step 3: Cross multiply
    2,392.20x = 3,586.74 × 2,151.48
  4. Step 4: Simplify right side
    2,392.20x = 7,716,799.38
  5. Step 5: Solve for x
    x = 7,716,799.38/2,392.20
  6. Step 6: Final answer
    x = 3,225.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.