Home / 2,310.10-3,187.45-1,365.41

Finding the Fourth Proportional to 2,310.10, 3,187.45 and 1,365.41

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Solution

The fourth proportional to 2,310.10, 3,187.45 and 1,365.41 is: 1,883.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,310.10 : 3,187.45 = 1,365.41 : x
  2. Step 2: Convert to fraction form
    2,310.10/3,187.45 = 1,365.41/x
  3. Step 3: Cross multiply
    2,310.10x = 3,187.45 × 1,365.41
  4. Step 4: Simplify right side
    2,310.10x = 4,352,185.78
  5. Step 5: Solve for x
    x = 4,352,185.78/2,310.10
  6. Step 6: Final answer
    x = 1,883.98

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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.