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Finding the Fourth Proportional to 2,166.82, 3,250.23 and 1,070.08

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Solution

The fourth proportional to 2,166.82, 3,250.23 and 1,070.08 is: 1,605.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166.82 : 3,250.23 = 1,070.08 : x
  2. Step 2: Convert to fraction form
    2,166.82/3,250.23 = 1,070.08/x
  3. Step 3: Cross multiply
    2,166.82x = 3,250.23 × 1,070.08
  4. Step 4: Simplify right side
    2,166.82x = 3,478,006.12
  5. Step 5: Solve for x
    x = 3,478,006.12/2,166.82
  6. Step 6: Final answer
    x = 1,605.12

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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.