Home / 2,940.68-4,409.79-1,251.35

Finding the Fourth Proportional to 2,940.68, 4,409.79 and 1,251.35

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Solution

The fourth proportional to 2,940.68, 4,409.79 and 1,251.35 is: 1,876.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.68 : 4,409.79 = 1,251.35 : x
  2. Step 2: Convert to fraction form
    2,940.68/4,409.79 = 1,251.35/x
  3. Step 3: Cross multiply
    2,940.68x = 4,409.79 × 1,251.35
  4. Step 4: Simplify right side
    2,940.68x = 5,518,168.67
  5. Step 5: Solve for x
    x = 5,518,168.67/2,940.68
  6. Step 6: Final answer
    x = 1,876.50

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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.