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Finding the Fourth Proportional to 2,196.66, 3,296.16 and 1,710.66

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Solution

The fourth proportional to 2,196.66, 3,296.16 and 1,710.66 is: 2,566.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,196.66 : 3,296.16 = 1,710.66 : x
  2. Step 2: Convert to fraction form
    2,196.66/3,296.16 = 1,710.66/x
  3. Step 3: Cross multiply
    2,196.66x = 3,296.16 × 1,710.66
  4. Step 4: Simplify right side
    2,196.66x = 5,638,609.07
  5. Step 5: Solve for x
    x = 5,638,609.07/2,196.66
  6. Step 6: Final answer
    x = 2,566.90

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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.