Home / 1,984.60-2,974.86-1,335.52

Finding the Fourth Proportional to 1,984.60, 2,974.86 and 1,335.52

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Solution

The fourth proportional to 1,984.60, 2,974.86 and 1,335.52 is: 2,001.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,984.60 : 2,974.86 = 1,335.52 : x
  2. Step 2: Convert to fraction form
    1,984.60/2,974.86 = 1,335.52/x
  3. Step 3: Cross multiply
    1,984.60x = 2,974.86 × 1,335.52
  4. Step 4: Simplify right side
    1,984.60x = 3,972,985.03
  5. Step 5: Solve for x
    x = 3,972,985.03/1,984.60
  6. Step 6: Final answer
    x = 2,001.91

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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.