Home / 3,752.45-5,628.95-1,119.75

Finding the Fourth Proportional to 3,752.45, 5,628.95 and 1,119.75

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Solution

The fourth proportional to 3,752.45, 5,628.95 and 1,119.75 is: 1,679.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,752.45 : 5,628.95 = 1,119.75 : x
  2. Step 2: Convert to fraction form
    3,752.45/5,628.95 = 1,119.75/x
  3. Step 3: Cross multiply
    3,752.45x = 5,628.95 × 1,119.75
  4. Step 4: Simplify right side
    3,752.45x = 6,303,000.55
  5. Step 5: Solve for x
    x = 6,303,000.55/3,752.45
  6. Step 6: Final answer
    x = 1,679.70

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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.