Home / 1,867.61-2,801.00-551.09

Finding the Fourth Proportional to 1,867.61, 2,801.00 and 551.09

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Solution

The fourth proportional to 1,867.61, 2,801.00 and 551.09 is: 826.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867.61 : 2,801.00 = 551.09 : x
  2. Step 2: Convert to fraction form
    1,867.61/2,801.00 = 551.09/x
  3. Step 3: Cross multiply
    1,867.61x = 2,801.00 × 551.09
  4. Step 4: Simplify right side
    1,867.61x = 1,543,586.33
  5. Step 5: Solve for x
    x = 1,543,586.33/1,867.61
  6. Step 6: Final answer
    x = 826.50

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1.5x scale

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.