Home / 2,693.85-3,716.65-1,631.28

Finding the Fourth Proportional to 2,693.85, 3,716.65 and 1,631.28

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Solution

The fourth proportional to 2,693.85, 3,716.65 and 1,631.28 is: 2,250.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,693.85 : 3,716.65 = 1,631.28 : x
  2. Step 2: Convert to fraction form
    2,693.85/3,716.65 = 1,631.28/x
  3. Step 3: Cross multiply
    2,693.85x = 3,716.65 × 1,631.28
  4. Step 4: Simplify right side
    2,693.85x = 6,062,891.88
  5. Step 5: Solve for x
    x = 6,062,891.88/2,693.85
  6. Step 6: Final answer
    x = 2,250.64

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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.