Home / 3,319.71-4,581.21-1,827.87

Finding the Fourth Proportional to 3,319.71, 4,581.21 and 1,827.87

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Solution

The fourth proportional to 3,319.71, 4,581.21 and 1,827.87 is: 2,522.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.71 : 4,581.21 = 1,827.87 : x
  2. Step 2: Convert to fraction form
    3,319.71/4,581.21 = 1,827.87/x
  3. Step 3: Cross multiply
    3,319.71x = 4,581.21 × 1,827.87
  4. Step 4: Simplify right side
    3,319.71x = 8,373,856.32
  5. Step 5: Solve for x
    x = 8,373,856.32/3,319.71
  6. Step 6: Final answer
    x = 2,522.47

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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.