Home / 2,180.16-3,009.24-2,110.86

Finding the Fourth Proportional to 2,180.16, 3,009.24 and 2,110.86

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Solution

The fourth proportional to 2,180.16, 3,009.24 and 2,110.86 is: 2,913.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180.16 : 3,009.24 = 2,110.86 : x
  2. Step 2: Convert to fraction form
    2,180.16/3,009.24 = 2,110.86/x
  3. Step 3: Cross multiply
    2,180.16x = 3,009.24 × 2,110.86
  4. Step 4: Simplify right side
    2,180.16x = 6,352,084.35
  5. Step 5: Solve for x
    x = 6,352,084.35/2,180.16
  6. Step 6: Final answer
    x = 2,913.59

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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.