Home / 2,245.08-3,094.38-1,545.24

Finding the Fourth Proportional to 2,245.08, 3,094.38 and 1,545.24

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Solution

The fourth proportional to 2,245.08, 3,094.38 and 1,545.24 is: 2,129.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,245.08 : 3,094.38 = 1,545.24 : x
  2. Step 2: Convert to fraction form
    2,245.08/3,094.38 = 1,545.24/x
  3. Step 3: Cross multiply
    2,245.08x = 3,094.38 × 1,545.24
  4. Step 4: Simplify right side
    2,245.08x = 4,781,559.75
  5. Step 5: Solve for x
    x = 4,781,559.75/2,245.08
  6. Step 6: Final answer
    x = 2,129.79

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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.