Home / 1,462.11-2,193.56-813.30

Finding the Fourth Proportional to 1,462.11, 2,193.56 and 813.30

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Solution

The fourth proportional to 1,462.11, 2,193.56 and 813.30 is: 1,220.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,462.11 : 2,193.56 = 813.30 : x
  2. Step 2: Convert to fraction form
    1,462.11/2,193.56 = 813.30/x
  3. Step 3: Cross multiply
    1,462.11x = 2,193.56 × 813.30
  4. Step 4: Simplify right side
    1,462.11x = 1,784,022.35
  5. Step 5: Solve for x
    x = 1,784,022.35/1,462.11
  6. Step 6: Final answer
    x = 1,220.17

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1.5x scale

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.