Home / 2,841.81-4,259.56-2,146.22

Finding the Fourth Proportional to 2,841.81, 4,259.56 and 2,146.22

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Solution

The fourth proportional to 2,841.81, 4,259.56 and 2,146.22 is: 3,216.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,841.81 : 4,259.56 = 2,146.22 : x
  2. Step 2: Convert to fraction form
    2,841.81/4,259.56 = 2,146.22/x
  3. Step 3: Cross multiply
    2,841.81x = 4,259.56 × 2,146.22
  4. Step 4: Simplify right side
    2,841.81x = 9,141,952.86
  5. Step 5: Solve for x
    x = 9,141,952.86/2,841.81
  6. Step 6: Final answer
    x = 3,216.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.