Home / 2,439.10-3,365.99-1,376.88

Finding the Fourth Proportional to 2,439.10, 3,365.99 and 1,376.88

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Solution

The fourth proportional to 2,439.10, 3,365.99 and 1,376.88 is: 1,900.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439.10 : 3,365.99 = 1,376.88 : x
  2. Step 2: Convert to fraction form
    2,439.10/3,365.99 = 1,376.88/x
  3. Step 3: Cross multiply
    2,439.10x = 3,365.99 × 1,376.88
  4. Step 4: Simplify right side
    2,439.10x = 4,634,564.31
  5. Step 5: Solve for x
    x = 4,634,564.31/2,439.10
  6. Step 6: Final answer
    x = 1,900.11

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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.