Home / 1,459.10-2,189.52-581.44

Finding the Fourth Proportional to 1,459.10, 2,189.52 and 581.44

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Solution

The fourth proportional to 1,459.10, 2,189.52 and 581.44 is: 872.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459.10 : 2,189.52 = 581.44 : x
  2. Step 2: Convert to fraction form
    1,459.10/2,189.52 = 581.44/x
  3. Step 3: Cross multiply
    1,459.10x = 2,189.52 × 581.44
  4. Step 4: Simplify right side
    1,459.10x = 1,273,074.51
  5. Step 5: Solve for x
    x = 1,273,074.51/1,459.10
  6. Step 6: Final answer
    x = 872.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.