Home / 2,947.35-4,420.49-1,192.26

Finding the Fourth Proportional to 2,947.35, 4,420.49 and 1,192.26

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Solution

The fourth proportional to 2,947.35, 4,420.49 and 1,192.26 is: 1,788.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947.35 : 4,420.49 = 1,192.26 : x
  2. Step 2: Convert to fraction form
    2,947.35/4,420.49 = 1,192.26/x
  3. Step 3: Cross multiply
    2,947.35x = 4,420.49 × 1,192.26
  4. Step 4: Simplify right side
    2,947.35x = 5,270,367.45
  5. Step 5: Solve for x
    x = 5,270,367.45/2,947.35
  6. Step 6: Final answer
    x = 1,788.17

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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.