Home / 1,867.83-2,801.09-551.23

Finding the Fourth Proportional to 1,867.83, 2,801.09 and 551.23

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Solution

The fourth proportional to 1,867.83, 2,801.09 and 551.23 is: 826.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867.83 : 2,801.09 = 551.23 : x
  2. Step 2: Convert to fraction form
    1,867.83/2,801.09 = 551.23/x
  3. Step 3: Cross multiply
    1,867.83x = 2,801.09 × 551.23
  4. Step 4: Simplify right side
    1,867.83x = 1,544,047.65
  5. Step 5: Solve for x
    x = 1,544,047.65/1,867.83
  6. Step 6: Final answer
    x = 826.65

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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.