Home / 2,187.09-3,013.65-2,027.70

Finding the Fourth Proportional to 2,187.09, 3,013.65 and 2,027.70

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Solution

The fourth proportional to 2,187.09, 3,013.65 and 2,027.70 is: 2,794.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187.09 : 3,013.65 = 2,027.70 : x
  2. Step 2: Convert to fraction form
    2,187.09/3,013.65 = 2,027.70/x
  3. Step 3: Cross multiply
    2,187.09x = 3,013.65 × 2,027.70
  4. Step 4: Simplify right side
    2,187.09x = 6,110,778.11
  5. Step 5: Solve for x
    x = 6,110,778.11/2,187.09
  6. Step 6: Final answer
    x = 2,794.02

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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.