Home / 3,240.06-4,861.11-1,160.02

Finding the Fourth Proportional to 3,240.06, 4,861.11 and 1,160.02

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Solution

The fourth proportional to 3,240.06, 4,861.11 and 1,160.02 is: 1,740.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.06 : 4,861.11 = 1,160.02 : x
  2. Step 2: Convert to fraction form
    3,240.06/4,861.11 = 1,160.02/x
  3. Step 3: Cross multiply
    3,240.06x = 4,861.11 × 1,160.02
  4. Step 4: Simplify right side
    3,240.06x = 5,638,984.82
  5. Step 5: Solve for x
    x = 5,638,984.82/3,240.06
  6. Step 6: Final answer
    x = 1,740.40

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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.