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Finding the Fourth Proportional to 2,194.68, 3,292.02 and 655.56

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Solution

The fourth proportional to 2,194.68, 3,292.02 and 655.56 is: 983.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,194.68 : 3,292.02 = 655.56 : x
  2. Step 2: Convert to fraction form
    2,194.68/3,292.02 = 655.56/x
  3. Step 3: Cross multiply
    2,194.68x = 3,292.02 × 655.56
  4. Step 4: Simplify right side
    2,194.68x = 2,158,116.63
  5. Step 5: Solve for x
    x = 2,158,116.63/2,194.68
  6. Step 6: Final answer
    x = 983.34

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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.