Home / 3,861.94-5,330.02-2,184.02

Finding the Fourth Proportional to 3,861.94, 5,330.02 and 2,184.02

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Solution

The fourth proportional to 3,861.94, 5,330.02 and 2,184.02 is: 3,014.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861.94 : 5,330.02 = 2,184.02 : x
  2. Step 2: Convert to fraction form
    3,861.94/5,330.02 = 2,184.02/x
  3. Step 3: Cross multiply
    3,861.94x = 5,330.02 × 2,184.02
  4. Step 4: Simplify right side
    3,861.94x = 11,640,870.28
  5. Step 5: Solve for x
    x = 11,640,870.28/3,861.94
  6. Step 6: Final answer
    x = 3,014.25

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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.