Home / 2,924.78-4,389.49-1,538.93

Finding the Fourth Proportional to 2,924.78, 4,389.49 and 1,538.93

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Solution

The fourth proportional to 2,924.78, 4,389.49 and 1,538.93 is: 2,309.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,924.78 : 4,389.49 = 1,538.93 : x
  2. Step 2: Convert to fraction form
    2,924.78/4,389.49 = 1,538.93/x
  3. Step 3: Cross multiply
    2,924.78x = 4,389.49 × 1,538.93
  4. Step 4: Simplify right side
    2,924.78x = 6,755,117.85
  5. Step 5: Solve for x
    x = 6,755,117.85/2,924.78
  6. Step 6: Final answer
    x = 2,309.62

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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.