Home / 2,531.08-3,491.86-1,600.20

Finding the Fourth Proportional to 2,531.08, 3,491.86 and 1,600.20

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Solution

The fourth proportional to 2,531.08, 3,491.86 and 1,600.20 is: 2,207.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,531.08 : 3,491.86 = 1,600.20 : x
  2. Step 2: Convert to fraction form
    2,531.08/3,491.86 = 1,600.20/x
  3. Step 3: Cross multiply
    2,531.08x = 3,491.86 × 1,600.20
  4. Step 4: Simplify right side
    2,531.08x = 5,587,674.37
  5. Step 5: Solve for x
    x = 5,587,674.37/2,531.08
  6. Step 6: Final answer
    x = 2,207.62

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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.