Home / 3,331.60-4,985.70-2,739.46

Finding the Fourth Proportional to 3,331.60, 4,985.70 and 2,739.46

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Solution

The fourth proportional to 3,331.60, 4,985.70 and 2,739.46 is: 4,099.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.60 : 4,985.70 = 2,739.46 : x
  2. Step 2: Convert to fraction form
    3,331.60/4,985.70 = 2,739.46/x
  3. Step 3: Cross multiply
    3,331.60x = 4,985.70 × 2,739.46
  4. Step 4: Simplify right side
    3,331.60x = 13,658,125.72
  5. Step 5: Solve for x
    x = 13,658,125.72/3,331.60
  6. Step 6: Final answer
    x = 4,099.57

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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.