Home / 4,291.20-5,922.24-2,521.92

Finding the Fourth Proportional to 4,291.20, 5,922.24 and 2,521.92

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Solution

The fourth proportional to 4,291.20, 5,922.24 and 2,521.92 is: 3,480.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,291.20 : 5,922.24 = 2,521.92 : x
  2. Step 2: Convert to fraction form
    4,291.20/5,922.24 = 2,521.92/x
  3. Step 3: Cross multiply
    4,291.20x = 5,922.24 × 2,521.92
  4. Step 4: Simplify right side
    4,291.20x = 14,935,415.50
  5. Step 5: Solve for x
    x = 14,935,415.50/4,291.20
  6. Step 6: Final answer
    x = 3,480.48

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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.