Home / 2,949.35-4,420.38-1,488.92

Finding the Fourth Proportional to 2,949.35, 4,420.38 and 1,488.92

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Solution

The fourth proportional to 2,949.35, 4,420.38 and 1,488.92 is: 2,231.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949.35 : 4,420.38 = 1,488.92 : x
  2. Step 2: Convert to fraction form
    2,949.35/4,420.38 = 1,488.92/x
  3. Step 3: Cross multiply
    2,949.35x = 4,420.38 × 1,488.92
  4. Step 4: Simplify right side
    2,949.35x = 6,581,608.82
  5. Step 5: Solve for x
    x = 6,581,608.82/2,949.35
  6. Step 6: Final answer
    x = 2,231.54

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1.5x scale

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.