Home / 2,011.52-3,010.97-1,383.15

Finding the Fourth Proportional to 2,011.52, 3,010.97 and 1,383.15

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Solution

The fourth proportional to 2,011.52, 3,010.97 and 1,383.15 is: 2,070.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011.52 : 3,010.97 = 1,383.15 : x
  2. Step 2: Convert to fraction form
    2,011.52/3,010.97 = 1,383.15/x
  3. Step 3: Cross multiply
    2,011.52x = 3,010.97 × 1,383.15
  4. Step 4: Simplify right side
    2,011.52x = 4,164,613.19
  5. Step 5: Solve for x
    x = 4,164,613.19/2,011.52
  6. Step 6: Final answer
    x = 2,070.38

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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.