Home / 2,195.73-3,031.25-1,491.30

Finding the Fourth Proportional to 2,195.73, 3,031.25 and 1,491.30

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Solution

The fourth proportional to 2,195.73, 3,031.25 and 1,491.30 is: 2,058.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.73 : 3,031.25 = 1,491.30 : x
  2. Step 2: Convert to fraction form
    2,195.73/3,031.25 = 1,491.30/x
  3. Step 3: Cross multiply
    2,195.73x = 3,031.25 × 1,491.30
  4. Step 4: Simplify right side
    2,195.73x = 4,520,495.67
  5. Step 5: Solve for x
    x = 4,520,495.67/2,195.73
  6. Step 6: Final answer
    x = 2,058.77

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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.