Home / 3,515.12-4,849.40-2,022.68

Finding the Fourth Proportional to 3,515.12, 4,849.40 and 2,022.68

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Solution

The fourth proportional to 3,515.12, 4,849.40 and 2,022.68 is: 2,790.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.12 : 4,849.40 = 2,022.68 : x
  2. Step 2: Convert to fraction form
    3,515.12/4,849.40 = 2,022.68/x
  3. Step 3: Cross multiply
    3,515.12x = 4,849.40 × 2,022.68
  4. Step 4: Simplify right side
    3,515.12x = 9,808,784.39
  5. Step 5: Solve for x
    x = 9,808,784.39/3,515.12
  6. Step 6: Final answer
    x = 2,790.46

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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.