Home / 3,293.12-4,927.80-2,061.20

Finding the Fourth Proportional to 3,293.12, 4,927.80 and 2,061.20

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Solution

The fourth proportional to 3,293.12, 4,927.80 and 2,061.20 is: 3,084.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,293.12 : 4,927.80 = 2,061.20 : x
  2. Step 2: Convert to fraction form
    3,293.12/4,927.80 = 2,061.20/x
  3. Step 3: Cross multiply
    3,293.12x = 4,927.80 × 2,061.20
  4. Step 4: Simplify right side
    3,293.12x = 10,157,181.36
  5. Step 5: Solve for x
    x = 10,157,181.36/3,293.12
  6. Step 6: Final answer
    x = 3,084.36

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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.