Home / 3,240.06-4,861.30-1,159.98

Finding the Fourth Proportional to 3,240.06, 4,861.30 and 1,159.98

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Solution

The fourth proportional to 3,240.06, 4,861.30 and 1,159.98 is: 1,740.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.06 : 4,861.30 = 1,159.98 : x
  2. Step 2: Convert to fraction form
    3,240.06/4,861.30 = 1,159.98/x
  3. Step 3: Cross multiply
    3,240.06x = 4,861.30 × 1,159.98
  4. Step 4: Simplify right side
    3,240.06x = 5,639,010.77
  5. Step 5: Solve for x
    x = 5,639,010.77/3,240.06
  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.