Home / 2,916.87-4,025.28-1,590.57

Finding the Fourth Proportional to 2,916.87, 4,025.28 and 1,590.57

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Solution

The fourth proportional to 2,916.87, 4,025.28 and 1,590.57 is: 2,194.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.87 : 4,025.28 = 1,590.57 : x
  2. Step 2: Convert to fraction form
    2,916.87/4,025.28 = 1,590.57/x
  3. Step 3: Cross multiply
    2,916.87x = 4,025.28 × 1,590.57
  4. Step 4: Simplify right side
    2,916.87x = 6,402,489.61
  5. Step 5: Solve for x
    x = 6,402,489.61/2,916.87
  6. Step 6: Final answer
    x = 2,194.99

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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.