Home / 3,749.84-5,623.36-1,283.96

Finding the Fourth Proportional to 3,749.84, 5,623.36 and 1,283.96

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Solution

The fourth proportional to 3,749.84, 5,623.36 and 1,283.96 is: 1,925.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.84 : 5,623.36 = 1,283.96 : x
  2. Step 2: Convert to fraction form
    3,749.84/5,623.36 = 1,283.96/x
  3. Step 3: Cross multiply
    3,749.84x = 5,623.36 × 1,283.96
  4. Step 4: Simplify right side
    3,749.84x = 7,220,169.31
  5. Step 5: Solve for x
    x = 7,220,169.31/3,749.84
  6. Step 6: Final answer
    x = 1,925.46

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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.