Home / 2,497.29-3,445.99-1,378.09

Finding the Fourth Proportional to 2,497.29, 3,445.99 and 1,378.09

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Solution

The fourth proportional to 2,497.29, 3,445.99 and 1,378.09 is: 1,901.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,497.29 : 3,445.99 = 1,378.09 : x
  2. Step 2: Convert to fraction form
    2,497.29/3,445.99 = 1,378.09/x
  3. Step 3: Cross multiply
    2,497.29x = 3,445.99 × 1,378.09
  4. Step 4: Simplify right side
    2,497.29x = 4,748,884.36
  5. Step 5: Solve for x
    x = 4,748,884.36/2,497.29
  6. Step 6: Final answer
    x = 1,901.62

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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.