Home / 2,207.06-3,042.28-1,646.64

Finding the Fourth Proportional to 2,207.06, 3,042.28 and 1,646.64

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Solution

The fourth proportional to 2,207.06, 3,042.28 and 1,646.64 is: 2,269.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207.06 : 3,042.28 = 1,646.64 : x
  2. Step 2: Convert to fraction form
    2,207.06/3,042.28 = 1,646.64/x
  3. Step 3: Cross multiply
    2,207.06x = 3,042.28 × 1,646.64
  4. Step 4: Simplify right side
    2,207.06x = 5,009,539.94
  5. Step 5: Solve for x
    x = 5,009,539.94/2,207.06
  6. Step 6: Final answer
    x = 2,269.78

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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.