Home / 3,748.80-5,624.88-1,969.47

Finding the Fourth Proportional to 3,748.80, 5,624.88 and 1,969.47

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Solution

The fourth proportional to 3,748.80, 5,624.88 and 1,969.47 is: 2,955.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.80 : 5,624.88 = 1,969.47 : x
  2. Step 2: Convert to fraction form
    3,748.80/5,624.88 = 1,969.47/x
  3. Step 3: Cross multiply
    3,748.80x = 5,624.88 × 1,969.47
  4. Step 4: Simplify right side
    3,748.80x = 11,078,032.41
  5. Step 5: Solve for x
    x = 11,078,032.41/3,748.80
  6. Step 6: Final answer
    x = 2,955.09

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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.