Home / 3,487.04-4,809.85-2,228.48

Finding the Fourth Proportional to 3,487.04, 4,809.85 and 2,228.48

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Solution

The fourth proportional to 3,487.04, 4,809.85 and 2,228.48 is: 3,073.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.04 : 4,809.85 = 2,228.48 : x
  2. Step 2: Convert to fraction form
    3,487.04/4,809.85 = 2,228.48/x
  3. Step 3: Cross multiply
    3,487.04x = 4,809.85 × 2,228.48
  4. Step 4: Simplify right side
    3,487.04x = 10,718,624.91
  5. Step 5: Solve for x
    x = 10,718,624.91/3,487.04
  6. Step 6: Final answer
    x = 3,073.85

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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.