Home / 1,861.94-2,569.49-1,022.61

Finding the Fourth Proportional to 1,861.94, 2,569.49 and 1,022.61

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Solution

The fourth proportional to 1,861.94, 2,569.49 and 1,022.61 is: 1,411.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861.94 : 2,569.49 = 1,022.61 : x
  2. Step 2: Convert to fraction form
    1,861.94/2,569.49 = 1,022.61/x
  3. Step 3: Cross multiply
    1,861.94x = 2,569.49 × 1,022.61
  4. Step 4: Simplify right side
    1,861.94x = 2,627,581.06
  5. Step 5: Solve for x
    x = 2,627,581.06/1,861.94
  6. Step 6: Final answer
    x = 1,411.21

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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.