Home / 2,011.08-3,016.46-712.38

Finding the Fourth Proportional to 2,011.08, 3,016.46 and 712.38

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Solution

The fourth proportional to 2,011.08, 3,016.46 and 712.38 is: 1,068.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011.08 : 3,016.46 = 712.38 : x
  2. Step 2: Convert to fraction form
    2,011.08/3,016.46 = 712.38/x
  3. Step 3: Cross multiply
    2,011.08x = 3,016.46 × 712.38
  4. Step 4: Simplify right side
    2,011.08x = 2,148,865.77
  5. Step 5: Solve for x
    x = 2,148,865.77/2,011.08
  6. Step 6: Final answer
    x = 1,068.51

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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.