Home / 2,860.54-3,944.91-2,197.42

Finding the Fourth Proportional to 2,860.54, 3,944.91 and 2,197.42

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Solution

The fourth proportional to 2,860.54, 3,944.91 and 2,197.42 is: 3,030.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860.54 : 3,944.91 = 2,197.42 : x
  2. Step 2: Convert to fraction form
    2,860.54/3,944.91 = 2,197.42/x
  3. Step 3: Cross multiply
    2,860.54x = 3,944.91 × 2,197.42
  4. Step 4: Simplify right side
    2,860.54x = 8,668,624.13
  5. Step 5: Solve for x
    x = 8,668,624.13/2,860.54
  6. Step 6: Final answer
    x = 3,030.42

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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.