Home / 3,366.23-5,047.34-1,390.32

Finding the Fourth Proportional to 3,366.23, 5,047.34 and 1,390.32

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Solution

The fourth proportional to 3,366.23, 5,047.34 and 1,390.32 is: 2,084.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,366.23 : 5,047.34 = 1,390.32 : x
  2. Step 2: Convert to fraction form
    3,366.23/5,047.34 = 1,390.32/x
  3. Step 3: Cross multiply
    3,366.23x = 5,047.34 × 1,390.32
  4. Step 4: Simplify right side
    3,366.23x = 7,017,410.80
  5. Step 5: Solve for x
    x = 7,017,410.80/3,366.23
  6. Step 6: Final answer
    x = 2,084.65

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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.