Home / 2,257.02-3,385.56-1,269.68

Finding the Fourth Proportional to 2,257.02, 3,385.56 and 1,269.68

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Solution

The fourth proportional to 2,257.02, 3,385.56 and 1,269.68 is: 1,904.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257.02 : 3,385.56 = 1,269.68 : x
  2. Step 2: Convert to fraction form
    2,257.02/3,385.56 = 1,269.68/x
  3. Step 3: Cross multiply
    2,257.02x = 3,385.56 × 1,269.68
  4. Step 4: Simplify right side
    2,257.02x = 4,298,577.82
  5. Step 5: Solve for x
    x = 4,298,577.82/2,257.02
  6. Step 6: Final answer
    x = 1,904.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.