Home / 2,011.76-3,013.44-1,277.71

Finding the Fourth Proportional to 2,011.76, 3,013.44 and 1,277.71

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Solution

The fourth proportional to 2,011.76, 3,013.44 and 1,277.71 is: 1,913.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011.76 : 3,013.44 = 1,277.71 : x
  2. Step 2: Convert to fraction form
    2,011.76/3,013.44 = 1,277.71/x
  3. Step 3: Cross multiply
    2,011.76x = 3,013.44 × 1,277.71
  4. Step 4: Simplify right side
    2,011.76x = 3,850,302.42
  5. Step 5: Solve for x
    x = 3,850,302.42/2,011.76
  6. Step 6: Final answer
    x = 1,913.90

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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.