Home / 3,428.82-4,726.53-2,100.06

Finding the Fourth Proportional to 3,428.82, 4,726.53 and 2,100.06

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Solution

The fourth proportional to 3,428.82, 4,726.53 and 2,100.06 is: 2,894.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.82 : 4,726.53 = 2,100.06 : x
  2. Step 2: Convert to fraction form
    3,428.82/4,726.53 = 2,100.06/x
  3. Step 3: Cross multiply
    3,428.82x = 4,726.53 × 2,100.06
  4. Step 4: Simplify right side
    3,428.82x = 9,925,996.59
  5. Step 5: Solve for x
    x = 9,925,996.59/3,428.82
  6. Step 6: Final answer
    x = 2,894.87

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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.