Home / 1,861.31-2,568.08-1,467.11

Finding the Fourth Proportional to 1,861.31, 2,568.08 and 1,467.11

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Solution

The fourth proportional to 1,861.31, 2,568.08 and 1,467.11 is: 2,024.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861.31 : 2,568.08 = 1,467.11 : x
  2. Step 2: Convert to fraction form
    1,861.31/2,568.08 = 1,467.11/x
  3. Step 3: Cross multiply
    1,861.31x = 2,568.08 × 1,467.11
  4. Step 4: Simplify right side
    1,861.31x = 3,767,635.67
  5. Step 5: Solve for x
    x = 3,767,635.67/1,861.31
  6. Step 6: Final answer
    x = 2,024.19

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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.