Home / 3,510.60-5,267.94-2,126.70

Finding the Fourth Proportional to 3,510.60, 5,267.94 and 2,126.70

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Solution

The fourth proportional to 3,510.60, 5,267.94 and 2,126.70 is: 3,191.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,510.60 : 5,267.94 = 2,126.70 : x
  2. Step 2: Convert to fraction form
    3,510.60/5,267.94 = 2,126.70/x
  3. Step 3: Cross multiply
    3,510.60x = 5,267.94 × 2,126.70
  4. Step 4: Simplify right side
    3,510.60x = 11,203,328.00
  5. Step 5: Solve for x
    x = 11,203,328.00/3,510.60
  6. Step 6: Final answer
    x = 3,191.29

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1.5x scale

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.