Home / 2,073.35-2,861.29-1,129.18

Finding the Fourth Proportional to 2,073.35, 2,861.29 and 1,129.18

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Solution

The fourth proportional to 2,073.35, 2,861.29 and 1,129.18 is: 1,558.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,073.35 : 2,861.29 = 1,129.18 : x
  2. Step 2: Convert to fraction form
    2,073.35/2,861.29 = 1,129.18/x
  3. Step 3: Cross multiply
    2,073.35x = 2,861.29 × 1,129.18
  4. Step 4: Simplify right side
    2,073.35x = 3,230,911.44
  5. Step 5: Solve for x
    x = 3,230,911.44/2,073.35
  6. Step 6: Final answer
    x = 1,558.31

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1.5x scale

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.