Home / 2,428.35-3,350.48-1,641.03

Finding the Fourth Proportional to 2,428.35, 3,350.48 and 1,641.03

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Solution

The fourth proportional to 2,428.35, 3,350.48 and 1,641.03 is: 2,264.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428.35 : 3,350.48 = 1,641.03 : x
  2. Step 2: Convert to fraction form
    2,428.35/3,350.48 = 1,641.03/x
  3. Step 3: Cross multiply
    2,428.35x = 3,350.48 × 1,641.03
  4. Step 4: Simplify right side
    2,428.35x = 5,498,229.99
  5. Step 5: Solve for x
    x = 5,498,229.99/2,428.35
  6. Step 6: Final answer
    x = 2,264.18

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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.