Home / 1,867.93-2,801.23-551.33

Finding the Fourth Proportional to 1,867.93, 2,801.23 and 551.33

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Solution

The fourth proportional to 1,867.93, 2,801.23 and 551.33 is: 826.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867.93 : 2,801.23 = 551.33 : x
  2. Step 2: Convert to fraction form
    1,867.93/2,801.23 = 551.33/x
  3. Step 3: Cross multiply
    1,867.93x = 2,801.23 × 551.33
  4. Step 4: Simplify right side
    1,867.93x = 1,544,403.93
  5. Step 5: Solve for x
    x = 1,544,403.93/1,867.93
  6. Step 6: Final answer
    x = 826.80

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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.