Home / 2,456.60-3,392.86-1,903.75

Finding the Fourth Proportional to 2,456.60, 3,392.86 and 1,903.75

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Solution

The fourth proportional to 2,456.60, 3,392.86 and 1,903.75 is: 2,629.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,456.60 : 3,392.86 = 1,903.75 : x
  2. Step 2: Convert to fraction form
    2,456.60/3,392.86 = 1,903.75/x
  3. Step 3: Cross multiply
    2,456.60x = 3,392.86 × 1,903.75
  4. Step 4: Simplify right side
    2,456.60x = 6,459,171.99
  5. Step 5: Solve for x
    x = 6,459,171.99/2,456.60
  6. Step 6: Final answer
    x = 2,629.31

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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.