Home / 3,086.39-4,259.23-1,760.11

Finding the Fourth Proportional to 3,086.39, 4,259.23 and 1,760.11

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Solution

The fourth proportional to 3,086.39, 4,259.23 and 1,760.11 is: 2,428.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.39 : 4,259.23 = 1,760.11 : x
  2. Step 2: Convert to fraction form
    3,086.39/4,259.23 = 1,760.11/x
  3. Step 3: Cross multiply
    3,086.39x = 4,259.23 × 1,760.11
  4. Step 4: Simplify right side
    3,086.39x = 7,496,683.22
  5. Step 5: Solve for x
    x = 7,496,683.22/3,086.39
  6. Step 6: Final answer
    x = 2,428.95

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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.