Home / 2,206.13-3,044.14-1,421.24

Finding the Fourth Proportional to 2,206.13, 3,044.14 and 1,421.24

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Solution

The fourth proportional to 2,206.13, 3,044.14 and 1,421.24 is: 1,961.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206.13 : 3,044.14 = 1,421.24 : x
  2. Step 2: Convert to fraction form
    2,206.13/3,044.14 = 1,421.24/x
  3. Step 3: Cross multiply
    2,206.13x = 3,044.14 × 1,421.24
  4. Step 4: Simplify right side
    2,206.13x = 4,326,453.53
  5. Step 5: Solve for x
    x = 4,326,453.53/2,206.13
  6. Step 6: Final answer
    x = 1,961.11

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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.