Home / 3,097.06-4,270.34-2,102.98

Finding the Fourth Proportional to 3,097.06, 4,270.34 and 2,102.98

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Solution

The fourth proportional to 3,097.06, 4,270.34 and 2,102.98 is: 2,899.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,097.06 : 4,270.34 = 2,102.98 : x
  2. Step 2: Convert to fraction form
    3,097.06/4,270.34 = 2,102.98/x
  3. Step 3: Cross multiply
    3,097.06x = 4,270.34 × 2,102.98
  4. Step 4: Simplify right side
    3,097.06x = 8,980,439.61
  5. Step 5: Solve for x
    x = 8,980,439.61/3,097.06
  6. Step 6: Final answer
    x = 2,899.67

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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.