Home / 3,947.45-5,922.32-1,482.46

Finding the Fourth Proportional to 3,947.45, 5,922.32 and 1,482.46

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Solution

The fourth proportional to 3,947.45, 5,922.32 and 1,482.46 is: 2,224.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947.45 : 5,922.32 = 1,482.46 : x
  2. Step 2: Convert to fraction form
    3,947.45/5,922.32 = 1,482.46/x
  3. Step 3: Cross multiply
    3,947.45x = 5,922.32 × 1,482.46
  4. Step 4: Simplify right side
    3,947.45x = 8,779,580.29
  5. Step 5: Solve for x
    x = 8,779,580.29/3,947.45
  6. Step 6: Final answer
    x = 2,224.12

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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.