Home / 2,993.40-4,485.24-1,761.84

Finding the Fourth Proportional to 2,993.40, 4,485.24 and 1,761.84

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Solution

The fourth proportional to 2,993.40, 4,485.24 and 1,761.84 is: 2,639.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993.40 : 4,485.24 = 1,761.84 : x
  2. Step 2: Convert to fraction form
    2,993.40/4,485.24 = 1,761.84/x
  3. Step 3: Cross multiply
    2,993.40x = 4,485.24 × 1,761.84
  4. Step 4: Simplify right side
    2,993.40x = 7,902,275.24
  5. Step 5: Solve for x
    x = 7,902,275.24/2,993.40
  6. Step 6: Final answer
    x = 2,639.90

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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.