Home / 2,925.89-4,389.93-1,519.43

Finding the Fourth Proportional to 2,925.89, 4,389.93 and 1,519.43

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Solution

The fourth proportional to 2,925.89, 4,389.93 and 1,519.43 is: 2,279.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925.89 : 4,389.93 = 1,519.43 : x
  2. Step 2: Convert to fraction form
    2,925.89/4,389.93 = 1,519.43/x
  3. Step 3: Cross multiply
    2,925.89x = 4,389.93 × 1,519.43
  4. Step 4: Simplify right side
    2,925.89x = 6,670,191.55
  5. Step 5: Solve for x
    x = 6,670,191.55/2,925.89
  6. Step 6: Final answer
    x = 2,279.71

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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.