Home / 1,579.74-2,181.06-1,082.22

Finding the Fourth Proportional to 1,579.74, 2,181.06 and 1,082.22

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Solution

The fourth proportional to 1,579.74, 2,181.06 and 1,082.22 is: 1,494.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579.74 : 2,181.06 = 1,082.22 : x
  2. Step 2: Convert to fraction form
    1,579.74/2,181.06 = 1,082.22/x
  3. Step 3: Cross multiply
    1,579.74x = 2,181.06 × 1,082.22
  4. Step 4: Simplify right side
    1,579.74x = 2,360,386.75
  5. Step 5: Solve for x
    x = 2,360,386.75/1,579.74
  6. Step 6: Final answer
    x = 1,494.16

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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.