Home / 2,358.25-3,254.36-1,296.05

Finding the Fourth Proportional to 2,358.25, 3,254.36 and 1,296.05

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Solution

The fourth proportional to 2,358.25, 3,254.36 and 1,296.05 is: 1,788.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,358.25 : 3,254.36 = 1,296.05 : x
  2. Step 2: Convert to fraction form
    2,358.25/3,254.36 = 1,296.05/x
  3. Step 3: Cross multiply
    2,358.25x = 3,254.36 × 1,296.05
  4. Step 4: Simplify right side
    2,358.25x = 4,217,790.53
  5. Step 5: Solve for x
    x = 4,217,790.53/2,358.25
  6. Step 6: Final answer
    x = 1,788.53

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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.