Home / 2,291.58-3,429.15-1,984.48

Finding the Fourth Proportional to 2,291.58, 3,429.15 and 1,984.48

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Solution

The fourth proportional to 2,291.58, 3,429.15 and 1,984.48 is: 2,969.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,291.58 : 3,429.15 = 1,984.48 : x
  2. Step 2: Convert to fraction form
    2,291.58/3,429.15 = 1,984.48/x
  3. Step 3: Cross multiply
    2,291.58x = 3,429.15 × 1,984.48
  4. Step 4: Simplify right side
    2,291.58x = 6,805,079.59
  5. Step 5: Solve for x
    x = 6,805,079.59/2,291.58
  6. Step 6: Final answer
    x = 2,969.60

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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.