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Finding the Fourth Proportional to 2,797.58, 3,860.52 and 1,618.76

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Solution

The fourth proportional to 2,797.58, 3,860.52 and 1,618.76 is: 2,233.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,797.58 : 3,860.52 = 1,618.76 : x
  2. Step 2: Convert to fraction form
    2,797.58/3,860.52 = 1,618.76/x
  3. Step 3: Cross multiply
    2,797.58x = 3,860.52 × 1,618.76
  4. Step 4: Simplify right side
    2,797.58x = 6,249,255.36
  5. Step 5: Solve for x
    x = 6,249,255.36/2,797.58
  6. Step 6: Final answer
    x = 2,233.81

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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.