Home / 2,044.16-2,820.96-1,216

Finding the Fourth Proportional to 2,044.16, 2,820.96 and 1,216

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Solution

The fourth proportional to 2,044.16, 2,820.96 and 1,216 is: 1,678.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,044.16 : 2,820.96 = 1,216 : x
  2. Step 2: Convert to fraction form
    2,044.16/2,820.96 = 1,216/x
  3. Step 3: Cross multiply
    2,044.16x = 2,820.96 × 1,216
  4. Step 4: Simplify right side
    2,044.16x = 3,430,287.36
  5. Step 5: Solve for x
    x = 3,430,287.36/2,044.16
  6. Step 6: Final answer
    x = 1,678.09

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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.