Home / 1,845.56-2,545.54-1,255.04

Finding the Fourth Proportional to 1,845.56, 2,545.54 and 1,255.04

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Solution

The fourth proportional to 1,845.56, 2,545.54 and 1,255.04 is: 1,731.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845.56 : 2,545.54 = 1,255.04 : x
  2. Step 2: Convert to fraction form
    1,845.56/2,545.54 = 1,255.04/x
  3. Step 3: Cross multiply
    1,845.56x = 2,545.54 × 1,255.04
  4. Step 4: Simplify right side
    1,845.56x = 3,194,754.52
  5. Step 5: Solve for x
    x = 3,194,754.52/1,845.56
  6. Step 6: Final answer
    x = 1,731.05

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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.