Home / 3,319.65-4,581.05-1,903.59

Finding the Fourth Proportional to 3,319.65, 4,581.05 and 1,903.59

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Solution

The fourth proportional to 3,319.65, 4,581.05 and 1,903.59 is: 2,626.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.65 : 4,581.05 = 1,903.59 : x
  2. Step 2: Convert to fraction form
    3,319.65/4,581.05 = 1,903.59/x
  3. Step 3: Cross multiply
    3,319.65x = 4,581.05 × 1,903.59
  4. Step 4: Simplify right side
    3,319.65x = 8,720,431.45
  5. Step 5: Solve for x
    x = 8,720,431.45/3,319.65
  6. Step 6: Final answer
    x = 2,626.91

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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.