Home / 2,952.57-4,074.69-1,891.25

Finding the Fourth Proportional to 2,952.57, 4,074.69 and 1,891.25

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Solution

The fourth proportional to 2,952.57, 4,074.69 and 1,891.25 is: 2,610.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,952.57 : 4,074.69 = 1,891.25 : x
  2. Step 2: Convert to fraction form
    2,952.57/4,074.69 = 1,891.25/x
  3. Step 3: Cross multiply
    2,952.57x = 4,074.69 × 1,891.25
  4. Step 4: Simplify right side
    2,952.57x = 7,706,237.09
  5. Step 5: Solve for x
    x = 7,706,237.09/2,952.57
  6. Step 6: Final answer
    x = 2,610.01

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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.