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Finding the Fourth Proportional to 2,609.16, 3,600.18 and 1,560.84

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Solution

The fourth proportional to 2,609.16, 3,600.18 and 1,560.84 is: 2,153.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,609.16 : 3,600.18 = 1,560.84 : x
  2. Step 2: Convert to fraction form
    2,609.16/3,600.18 = 1,560.84/x
  3. Step 3: Cross multiply
    2,609.16x = 3,600.18 × 1,560.84
  4. Step 4: Simplify right side
    2,609.16x = 5,619,304.95
  5. Step 5: Solve for x
    x = 5,619,304.95/2,609.16
  6. Step 6: Final answer
    x = 2,153.68

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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.