Home / 2,867.81-4,298.81-1,943.46

Finding the Fourth Proportional to 2,867.81, 4,298.81 and 1,943.46

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Solution

The fourth proportional to 2,867.81, 4,298.81 and 1,943.46 is: 2,913.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.81 : 4,298.81 = 1,943.46 : x
  2. Step 2: Convert to fraction form
    2,867.81/4,298.81 = 1,943.46/x
  3. Step 3: Cross multiply
    2,867.81x = 4,298.81 × 1,943.46
  4. Step 4: Simplify right side
    2,867.81x = 8,354,578.59
  5. Step 5: Solve for x
    x = 8,354,578.59/2,867.81
  6. Step 6: Final answer
    x = 2,913.22

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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.