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Finding the Fourth Proportional to 1,341.50, 2,012.24 and 797.18

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Solution

The fourth proportional to 1,341.50, 2,012.24 and 797.18 is: 1,195.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341.50 : 2,012.24 = 797.18 : x
  2. Step 2: Convert to fraction form
    1,341.50/2,012.24 = 797.18/x
  3. Step 3: Cross multiply
    1,341.50x = 2,012.24 × 797.18
  4. Step 4: Simplify right side
    1,341.50x = 1,604,109.41
  5. Step 5: Solve for x
    x = 1,604,109.41/1,341.50
  6. Step 6: Final answer
    x = 1,195.76

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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.