Home / 2,110.32-3,176.46-1,909.08

Finding the Fourth Proportional to 2,110.32, 3,176.46 and 1,909.08

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Solution

The fourth proportional to 2,110.32, 3,176.46 and 1,909.08 is: 2,873.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.32 : 3,176.46 = 1,909.08 : x
  2. Step 2: Convert to fraction form
    2,110.32/3,176.46 = 1,909.08/x
  3. Step 3: Cross multiply
    2,110.32x = 3,176.46 × 1,909.08
  4. Step 4: Simplify right side
    2,110.32x = 6,064,116.26
  5. Step 5: Solve for x
    x = 6,064,116.26/2,110.32
  6. Step 6: Final answer
    x = 2,873.55

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.