Home / 2,916.85-4,025.24-1,590.57

Finding the Fourth Proportional to 2,916.85, 4,025.24 and 1,590.57

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Solution

The fourth proportional to 2,916.85, 4,025.24 and 1,590.57 is: 2,194.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.85 : 4,025.24 = 1,590.57 : x
  2. Step 2: Convert to fraction form
    2,916.85/4,025.24 = 1,590.57/x
  3. Step 3: Cross multiply
    2,916.85x = 4,025.24 × 1,590.57
  4. Step 4: Simplify right side
    2,916.85x = 6,402,425.99
  5. Step 5: Solve for x
    x = 6,402,425.99/2,916.85
  6. Step 6: Final answer
    x = 2,194.98

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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.