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Finding the Fourth Proportional to 1,162.41, 1,604.12 and 696.66

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Solution

The fourth proportional to 1,162.41, 1,604.12 and 696.66 is: 961.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162.41 : 1,604.12 = 696.66 : x
  2. Step 2: Convert to fraction form
    1,162.41/1,604.12 = 696.66/x
  3. Step 3: Cross multiply
    1,162.41x = 1,604.12 × 696.66
  4. Step 4: Simplify right side
    1,162.41x = 1,117,522.76
  5. Step 5: Solve for x
    x = 1,117,522.76/1,162.41
  6. Step 6: Final answer
    x = 961.38

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1.5x scale

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.