Home / 2,926.20-4,391.14-1,520.76

Finding the Fourth Proportional to 2,926.20, 4,391.14 and 1,520.76

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Solution

The fourth proportional to 2,926.20, 4,391.14 and 1,520.76 is: 2,282.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926.20 : 4,391.14 = 1,520.76 : x
  2. Step 2: Convert to fraction form
    2,926.20/4,391.14 = 1,520.76/x
  3. Step 3: Cross multiply
    2,926.20x = 4,391.14 × 1,520.76
  4. Step 4: Simplify right side
    2,926.20x = 6,677,870.07
  5. Step 5: Solve for x
    x = 6,677,870.07/2,926.20
  6. Step 6: Final answer
    x = 2,282.10

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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.