Home / 2,792.45-4,187.70-943.13

Finding the Fourth Proportional to 2,792.45, 4,187.70 and 943.13

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Solution

The fourth proportional to 2,792.45, 4,187.70 and 943.13 is: 1,414.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792.45 : 4,187.70 = 943.13 : x
  2. Step 2: Convert to fraction form
    2,792.45/4,187.70 = 943.13/x
  3. Step 3: Cross multiply
    2,792.45x = 4,187.70 × 943.13
  4. Step 4: Simplify right side
    2,792.45x = 3,949,545.50
  5. Step 5: Solve for x
    x = 3,949,545.50/2,792.45
  6. Step 6: Final answer
    x = 1,414.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.