Home / 3,531.70-5,297.55-2,070.10

Finding the Fourth Proportional to 3,531.70, 5,297.55 and 2,070.10

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Solution

The fourth proportional to 3,531.70, 5,297.55 and 2,070.10 is: 3,105.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.70 : 5,297.55 = 2,070.10 : x
  2. Step 2: Convert to fraction form
    3,531.70/5,297.55 = 2,070.10/x
  3. Step 3: Cross multiply
    3,531.70x = 5,297.55 × 2,070.10
  4. Step 4: Simplify right side
    3,531.70x = 10,966,458.26
  5. Step 5: Solve for x
    x = 10,966,458.26/3,531.70
  6. Step 6: Final answer
    x = 3,105.15

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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.