Home / 3,747.08-5,619.81-1,113.95

Finding the Fourth Proportional to 3,747.08, 5,619.81 and 1,113.95

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Solution

The fourth proportional to 3,747.08, 5,619.81 and 1,113.95 is: 1,670.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.08 : 5,619.81 = 1,113.95 : x
  2. Step 2: Convert to fraction form
    3,747.08/5,619.81 = 1,113.95/x
  3. Step 3: Cross multiply
    3,747.08x = 5,619.81 × 1,113.95
  4. Step 4: Simplify right side
    3,747.08x = 6,260,159.25
  5. Step 5: Solve for x
    x = 6,260,159.25/3,747.08
  6. Step 6: Final answer
    x = 1,670.68

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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.