Home / 1,913.16-2,867.68-1,252.96

Finding the Fourth Proportional to 1,913.16, 2,867.68 and 1,252.96

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Solution

The fourth proportional to 1,913.16, 2,867.68 and 1,252.96 is: 1,878.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913.16 : 2,867.68 = 1,252.96 : x
  2. Step 2: Convert to fraction form
    1,913.16/2,867.68 = 1,252.96/x
  3. Step 3: Cross multiply
    1,913.16x = 2,867.68 × 1,252.96
  4. Step 4: Simplify right side
    1,913.16x = 3,593,088.33
  5. Step 5: Solve for x
    x = 3,593,088.33/1,913.16
  6. Step 6: Final answer
    x = 1,878.09

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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.