Home / 2,252.70-3,110.86-2,129.98

Finding the Fourth Proportional to 2,252.70, 3,110.86 and 2,129.98

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Solution

The fourth proportional to 2,252.70, 3,110.86 and 2,129.98 is: 2,941.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252.70 : 3,110.86 = 2,129.98 : x
  2. Step 2: Convert to fraction form
    2,252.70/3,110.86 = 2,129.98/x
  3. Step 3: Cross multiply
    2,252.70x = 3,110.86 × 2,129.98
  4. Step 4: Simplify right side
    2,252.70x = 6,626,069.58
  5. Step 5: Solve for x
    x = 6,626,069.58/2,252.70
  6. Step 6: Final answer
    x = 2,941.39

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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.