Home / 2,076.30-2,865.51-2,011.77

Finding the Fourth Proportional to 2,076.30, 2,865.51 and 2,011.77

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Solution

The fourth proportional to 2,076.30, 2,865.51 and 2,011.77 is: 2,776.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076.30 : 2,865.51 = 2,011.77 : x
  2. Step 2: Convert to fraction form
    2,076.30/2,865.51 = 2,011.77/x
  3. Step 3: Cross multiply
    2,076.30x = 2,865.51 × 2,011.77
  4. Step 4: Simplify right side
    2,076.30x = 5,764,747.05
  5. Step 5: Solve for x
    x = 5,764,747.05/2,076.30
  6. Step 6: Final answer
    x = 2,776.45

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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.