Home / 1,462.11-2,180.82-1,228.29

Finding the Fourth Proportional to 1,462.11, 2,180.82 and 1,228.29

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Solution

The fourth proportional to 1,462.11, 2,180.82 and 1,228.29 is: 1,832.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,462.11 : 2,180.82 = 1,228.29 : x
  2. Step 2: Convert to fraction form
    1,462.11/2,180.82 = 1,228.29/x
  3. Step 3: Cross multiply
    1,462.11x = 2,180.82 × 1,228.29
  4. Step 4: Simplify right side
    1,462.11x = 2,678,679.40
  5. Step 5: Solve for x
    x = 2,678,679.40/1,462.11
  6. Step 6: Final answer
    x = 1,832.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.