Home / 1,861.75-2,569.22-1,033.75

Finding the Fourth Proportional to 1,861.75, 2,569.22 and 1,033.75

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Solution

The fourth proportional to 1,861.75, 2,569.22 and 1,033.75 is: 1,426.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861.75 : 2,569.22 = 1,033.75 : x
  2. Step 2: Convert to fraction form
    1,861.75/2,569.22 = 1,033.75/x
  3. Step 3: Cross multiply
    1,861.75x = 2,569.22 × 1,033.75
  4. Step 4: Simplify right side
    1,861.75x = 2,655,931.18
  5. Step 5: Solve for x
    x = 2,655,931.18/1,861.75
  6. Step 6: Final answer
    x = 1,426.58

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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.