Home / 3,110.34-4,290.30-1,850.52

Finding the Fourth Proportional to 3,110.34, 4,290.30 and 1,850.52

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Solution

The fourth proportional to 3,110.34, 4,290.30 and 1,850.52 is: 2,552.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.34 : 4,290.30 = 1,850.52 : x
  2. Step 2: Convert to fraction form
    3,110.34/4,290.30 = 1,850.52/x
  3. Step 3: Cross multiply
    3,110.34x = 4,290.30 × 1,850.52
  4. Step 4: Simplify right side
    3,110.34x = 7,939,285.96
  5. Step 5: Solve for x
    x = 7,939,285.96/3,110.34
  6. Step 6: Final answer
    x = 2,552.55

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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.