Home / 2,554.14-3,830.36-910.45

Finding the Fourth Proportional to 2,554.14, 3,830.36 and 910.45

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Solution

The fourth proportional to 2,554.14, 3,830.36 and 910.45 is: 1,365.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,554.14 : 3,830.36 = 910.45 : x
  2. Step 2: Convert to fraction form
    2,554.14/3,830.36 = 910.45/x
  3. Step 3: Cross multiply
    2,554.14x = 3,830.36 × 910.45
  4. Step 4: Simplify right side
    2,554.14x = 3,487,351.50
  5. Step 5: Solve for x
    x = 3,487,351.50/2,554.14
  6. Step 6: Final answer
    x = 1,365.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.