Home / 1,850.90-2,554.54-1,105.35

Finding the Fourth Proportional to 1,850.90, 2,554.54 and 1,105.35

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Solution

The fourth proportional to 1,850.90, 2,554.54 and 1,105.35 is: 1,525.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,850.90 : 2,554.54 = 1,105.35 : x
  2. Step 2: Convert to fraction form
    1,850.90/2,554.54 = 1,105.35/x
  3. Step 3: Cross multiply
    1,850.90x = 2,554.54 × 1,105.35
  4. Step 4: Simplify right side
    1,850.90x = 2,823,648.45
  5. Step 5: Solve for x
    x = 2,823,648.45/1,850.90
  6. Step 6: Final answer
    x = 1,525.55

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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.