Home / 2,186.91-3,278.52-2,013.93

Finding the Fourth Proportional to 2,186.91, 3,278.52 and 2,013.93

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Solution

The fourth proportional to 2,186.91, 3,278.52 and 2,013.93 is: 3,019.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186.91 : 3,278.52 = 2,013.93 : x
  2. Step 2: Convert to fraction form
    2,186.91/3,278.52 = 2,013.93/x
  3. Step 3: Cross multiply
    2,186.91x = 3,278.52 × 2,013.93
  4. Step 4: Simplify right side
    2,186.91x = 6,602,709.78
  5. Step 5: Solve for x
    x = 6,602,709.78/2,186.91
  6. Step 6: Final answer
    x = 3,019.20

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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.