Home / 1,897.40-2,844.12-800.84

Finding the Fourth Proportional to 1,897.40, 2,844.12 and 800.84

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Solution

The fourth proportional to 1,897.40, 2,844.12 and 800.84 is: 1,200.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897.40 : 2,844.12 = 800.84 : x
  2. Step 2: Convert to fraction form
    1,897.40/2,844.12 = 800.84/x
  3. Step 3: Cross multiply
    1,897.40x = 2,844.12 × 800.84
  4. Step 4: Simplify right side
    1,897.40x = 2,277,685.06
  5. Step 5: Solve for x
    x = 2,277,685.06/1,897.40
  6. Step 6: Final answer
    x = 1,200.42

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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.