Home / 2,288.61-3,157.74-1,625.22

Finding the Fourth Proportional to 2,288.61, 3,157.74 and 1,625.22

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Solution

The fourth proportional to 2,288.61, 3,157.74 and 1,625.22 is: 2,242.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288.61 : 3,157.74 = 1,625.22 : x
  2. Step 2: Convert to fraction form
    2,288.61/3,157.74 = 1,625.22/x
  3. Step 3: Cross multiply
    2,288.61x = 3,157.74 × 1,625.22
  4. Step 4: Simplify right side
    2,288.61x = 5,132,022.20
  5. Step 5: Solve for x
    x = 5,132,022.20/2,288.61
  6. Step 6: Final answer
    x = 2,242.42

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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.