Home / 3,986.02-5,501.06-2,217.98

Finding the Fourth Proportional to 3,986.02, 5,501.06 and 2,217.98

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Solution

The fourth proportional to 3,986.02, 5,501.06 and 2,217.98 is: 3,061.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986.02 : 5,501.06 = 2,217.98 : x
  2. Step 2: Convert to fraction form
    3,986.02/5,501.06 = 2,217.98/x
  3. Step 3: Cross multiply
    3,986.02x = 5,501.06 × 2,217.98
  4. Step 4: Simplify right side
    3,986.02x = 12,201,241.06
  5. Step 5: Solve for x
    x = 12,201,241.06/3,986.02
  6. Step 6: Final answer
    x = 3,061.01

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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.