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Finding the Fourth Proportional to 3,560.70, 5,341.04 and 1,805.42

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Solution

The fourth proportional to 3,560.70, 5,341.04 and 1,805.42 is: 2,708.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,560.70 : 5,341.04 = 1,805.42 : x
  2. Step 2: Convert to fraction form
    3,560.70/5,341.04 = 1,805.42/x
  3. Step 3: Cross multiply
    3,560.70x = 5,341.04 × 1,805.42
  4. Step 4: Simplify right side
    3,560.70x = 9,642,820.44
  5. Step 5: Solve for x
    x = 9,642,820.44/3,560.70
  6. Step 6: Final answer
    x = 2,708.12

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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.