Home / 1,850.18-2,555.40-1,673.09

Finding the Fourth Proportional to 1,850.18, 2,555.40 and 1,673.09

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Solution

The fourth proportional to 1,850.18, 2,555.40 and 1,673.09 is: 2,310.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,850.18 : 2,555.40 = 1,673.09 : x
  2. Step 2: Convert to fraction form
    1,850.18/2,555.40 = 1,673.09/x
  3. Step 3: Cross multiply
    1,850.18x = 2,555.40 × 1,673.09
  4. Step 4: Simplify right side
    1,850.18x = 4,275,401.41
  5. Step 5: Solve for x
    x = 4,275,401.41/1,850.18
  6. Step 6: Final answer
    x = 2,310.81

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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.