Home / 2,797.70-3,860.58-1,618.84

Finding the Fourth Proportional to 2,797.70, 3,860.58 and 1,618.84

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Solution

The fourth proportional to 2,797.70, 3,860.58 and 1,618.84 is: 2,233.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,797.70 : 3,860.58 = 1,618.84 : x
  2. Step 2: Convert to fraction form
    2,797.70/3,860.58 = 1,618.84/x
  3. Step 3: Cross multiply
    2,797.70x = 3,860.58 × 1,618.84
  4. Step 4: Simplify right side
    2,797.70x = 6,249,672.22
  5. Step 5: Solve for x
    x = 6,249,672.22/2,797.70
  6. Step 6: Final answer
    x = 2,233.86

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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.