Home / 2,428.88-3,351.34-1,544.36

Finding the Fourth Proportional to 2,428.88, 3,351.34 and 1,544.36

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Solution

The fourth proportional to 2,428.88, 3,351.34 and 1,544.36 is: 2,130.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428.88 : 3,351.34 = 1,544.36 : x
  2. Step 2: Convert to fraction form
    2,428.88/3,351.34 = 1,544.36/x
  3. Step 3: Cross multiply
    2,428.88x = 3,351.34 × 1,544.36
  4. Step 4: Simplify right side
    2,428.88x = 5,175,675.44
  5. Step 5: Solve for x
    x = 5,175,675.44/2,428.88
  6. Step 6: Final answer
    x = 2,130.89

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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.