Home / 3,989.01-5,504.87-2,416.01

Finding the Fourth Proportional to 3,989.01, 5,504.87 and 2,416.01

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Solution

The fourth proportional to 3,989.01, 5,504.87 and 2,416.01 is: 3,334.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989.01 : 5,504.87 = 2,416.01 : x
  2. Step 2: Convert to fraction form
    3,989.01/5,504.87 = 2,416.01/x
  3. Step 3: Cross multiply
    3,989.01x = 5,504.87 × 2,416.01
  4. Step 4: Simplify right side
    3,989.01x = 13,299,808.89
  5. Step 5: Solve for x
    x = 13,299,808.89/3,989.01
  6. Step 6: Final answer
    x = 3,334.11

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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.