Home / 3,748.45-5,616.53-1,281.93

Finding the Fourth Proportional to 3,748.45, 5,616.53 and 1,281.93

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Solution

The fourth proportional to 3,748.45, 5,616.53 and 1,281.93 is: 1,920.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.45 : 5,616.53 = 1,281.93 : x
  2. Step 2: Convert to fraction form
    3,748.45/5,616.53 = 1,281.93/x
  3. Step 3: Cross multiply
    3,748.45x = 5,616.53 × 1,281.93
  4. Step 4: Simplify right side
    3,748.45x = 7,199,973.84
  5. Step 5: Solve for x
    x = 7,199,973.84/3,748.45
  6. Step 6: Final answer
    x = 1,920.79

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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.