Home / 2,916.88-4,025.43-1,721.99

Finding the Fourth Proportional to 2,916.88, 4,025.43 and 1,721.99

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Solution

The fourth proportional to 2,916.88, 4,025.43 and 1,721.99 is: 2,376.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.88 : 4,025.43 = 1,721.99 : x
  2. Step 2: Convert to fraction form
    2,916.88/4,025.43 = 1,721.99/x
  3. Step 3: Cross multiply
    2,916.88x = 4,025.43 × 1,721.99
  4. Step 4: Simplify right side
    2,916.88x = 6,931,760.27
  5. Step 5: Solve for x
    x = 6,931,760.27/2,916.88
  6. Step 6: Final answer
    x = 2,376.43

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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.