Home / 2,017.21-3,001.41-1,966.99

Finding the Fourth Proportional to 2,017.21, 3,001.41 and 1,966.99

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Solution

The fourth proportional to 2,017.21, 3,001.41 and 1,966.99 is: 2,926.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,017.21 : 3,001.41 = 1,966.99 : x
  2. Step 2: Convert to fraction form
    2,017.21/3,001.41 = 1,966.99/x
  3. Step 3: Cross multiply
    2,017.21x = 3,001.41 × 1,966.99
  4. Step 4: Simplify right side
    2,017.21x = 5,903,743.46
  5. Step 5: Solve for x
    x = 5,903,743.46/2,017.21
  6. Step 6: Final answer
    x = 2,926.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.