Home / 1,701.12-2,551.90-1,085.22

Finding the Fourth Proportional to 1,701.12, 2,551.90 and 1,085.22

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Solution

The fourth proportional to 1,701.12, 2,551.90 and 1,085.22 is: 1,627.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,701.12 : 2,551.90 = 1,085.22 : x
  2. Step 2: Convert to fraction form
    1,701.12/2,551.90 = 1,085.22/x
  3. Step 3: Cross multiply
    1,701.12x = 2,551.90 × 1,085.22
  4. Step 4: Simplify right side
    1,701.12x = 2,769,372.92
  5. Step 5: Solve for x
    x = 2,769,372.92/1,701.12
  6. Step 6: Final answer
    x = 1,627.97

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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.