Home / 2,310.11-3,477.65-2,109.23

Finding the Fourth Proportional to 2,310.11, 3,477.65 and 2,109.23

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Solution

The fourth proportional to 2,310.11, 3,477.65 and 2,109.23 is: 3,175.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,310.11 : 3,477.65 = 2,109.23 : x
  2. Step 2: Convert to fraction form
    2,310.11/3,477.65 = 2,109.23/x
  3. Step 3: Cross multiply
    2,310.11x = 3,477.65 × 2,109.23
  4. Step 4: Simplify right side
    2,310.11x = 7,335,135.78
  5. Step 5: Solve for x
    x = 7,335,135.78/2,310.11
  6. Step 6: Final answer
    x = 3,175.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.