Home / 3,320.70-4,581.33-1,903.89

Finding the Fourth Proportional to 3,320.70, 4,581.33 and 1,903.89

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Solution

The fourth proportional to 3,320.70, 4,581.33 and 1,903.89 is: 2,626.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.70 : 4,581.33 = 1,903.89 : x
  2. Step 2: Convert to fraction form
    3,320.70/4,581.33 = 1,903.89/x
  3. Step 3: Cross multiply
    3,320.70x = 4,581.33 × 1,903.89
  4. Step 4: Simplify right side
    3,320.70x = 8,722,348.71
  5. Step 5: Solve for x
    x = 8,722,348.71/3,320.70
  6. Step 6: Final answer
    x = 2,626.66

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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.