Home / 2,794.24-3,856.02-1,615.30

Finding the Fourth Proportional to 2,794.24, 3,856.02 and 1,615.30

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Solution

The fourth proportional to 2,794.24, 3,856.02 and 1,615.30 is: 2,229.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,794.24 : 3,856.02 = 1,615.30 : x
  2. Step 2: Convert to fraction form
    2,794.24/3,856.02 = 1,615.30/x
  3. Step 3: Cross multiply
    2,794.24x = 3,856.02 × 1,615.30
  4. Step 4: Simplify right side
    2,794.24x = 6,228,629.11
  5. Step 5: Solve for x
    x = 6,228,629.11/2,794.24
  6. Step 6: Final answer
    x = 2,229.10

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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.