Home / 2,399.44-3,312.74-1,838.87

Finding the Fourth Proportional to 2,399.44, 3,312.74 and 1,838.87

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Solution

The fourth proportional to 2,399.44, 3,312.74 and 1,838.87 is: 2,538.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,399.44 : 3,312.74 = 1,838.87 : x
  2. Step 2: Convert to fraction form
    2,399.44/3,312.74 = 1,838.87/x
  3. Step 3: Cross multiply
    2,399.44x = 3,312.74 × 1,838.87
  4. Step 4: Simplify right side
    2,399.44x = 6,091,698.20
  5. Step 5: Solve for x
    x = 6,091,698.20/2,399.44
  6. Step 6: Final answer
    x = 2,538.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.