Home / 2,910.32-4,011.58-2,230.53

Finding the Fourth Proportional to 2,910.32, 4,011.58 and 2,230.53

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Solution

The fourth proportional to 2,910.32, 4,011.58 and 2,230.53 is: 3,074.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.32 : 4,011.58 = 2,230.53 : x
  2. Step 2: Convert to fraction form
    2,910.32/4,011.58 = 2,230.53/x
  3. Step 3: Cross multiply
    2,910.32x = 4,011.58 × 2,230.53
  4. Step 4: Simplify right side
    2,910.32x = 8,947,949.54
  5. Step 5: Solve for x
    x = 8,947,949.54/2,910.32
  6. Step 6: Final answer
    x = 3,074.56

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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.