Home / 3,319.78-4,581.41-1,827.81

Finding the Fourth Proportional to 3,319.78, 4,581.41 and 1,827.81

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Solution

The fourth proportional to 3,319.78, 4,581.41 and 1,827.81 is: 2,522.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.78 : 4,581.41 = 1,827.81 : x
  2. Step 2: Convert to fraction form
    3,319.78/4,581.41 = 1,827.81/x
  3. Step 3: Cross multiply
    3,319.78x = 4,581.41 × 1,827.81
  4. Step 4: Simplify right side
    3,319.78x = 8,373,947.01
  5. Step 5: Solve for x
    x = 8,373,947.01/3,319.78
  6. Step 6: Final answer
    x = 2,522.44

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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.