Home / 2,111.14-3,166.71-2,007.46

Finding the Fourth Proportional to 2,111.14, 3,166.71 and 2,007.46

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Solution

The fourth proportional to 2,111.14, 3,166.71 and 2,007.46 is: 3,011.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,111.14 : 3,166.71 = 2,007.46 : x
  2. Step 2: Convert to fraction form
    2,111.14/3,166.71 = 2,007.46/x
  3. Step 3: Cross multiply
    2,111.14x = 3,166.71 × 2,007.46
  4. Step 4: Simplify right side
    2,111.14x = 6,357,043.66
  5. Step 5: Solve for x
    x = 6,357,043.66/2,111.14
  6. Step 6: Final answer
    x = 3,011.19

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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.