Home / 2,916.07-4,024.05-1,589.78

Finding the Fourth Proportional to 2,916.07, 4,024.05 and 1,589.78

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Solution

The fourth proportional to 2,916.07, 4,024.05 and 1,589.78 is: 2,193.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.07 : 4,024.05 = 1,589.78 : x
  2. Step 2: Convert to fraction form
    2,916.07/4,024.05 = 1,589.78/x
  3. Step 3: Cross multiply
    2,916.07x = 4,024.05 × 1,589.78
  4. Step 4: Simplify right side
    2,916.07x = 6,397,354.21
  5. Step 5: Solve for x
    x = 6,397,354.21/2,916.07
  6. Step 6: Final answer
    x = 2,193.83

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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.