Home / 3,683.48-5,077.82-2,797.74

Finding the Fourth Proportional to 3,683.48, 5,077.82 and 2,797.74

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Solution

The fourth proportional to 3,683.48, 5,077.82 and 2,797.74 is: 3,856.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,683.48 : 5,077.82 = 2,797.74 : x
  2. Step 2: Convert to fraction form
    3,683.48/5,077.82 = 2,797.74/x
  3. Step 3: Cross multiply
    3,683.48x = 5,077.82 × 2,797.74
  4. Step 4: Simplify right side
    3,683.48x = 14,206,427.12
  5. Step 5: Solve for x
    x = 14,206,427.12/3,683.48
  6. Step 6: Final answer
    x = 3,856.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.