Home / 2,916.88-4,025.20-1,657.88

Finding the Fourth Proportional to 2,916.88, 4,025.20 and 1,657.88

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Solution

The fourth proportional to 2,916.88, 4,025.20 and 1,657.88 is: 2,287.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.88 : 4,025.20 = 1,657.88 : x
  2. Step 2: Convert to fraction form
    2,916.88/4,025.20 = 1,657.88/x
  3. Step 3: Cross multiply
    2,916.88x = 4,025.20 × 1,657.88
  4. Step 4: Simplify right side
    2,916.88x = 6,673,298.58
  5. Step 5: Solve for x
    x = 6,673,298.58/2,916.88
  6. Step 6: Final answer
    x = 2,287.82

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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.