Home / 2,435.76-3,647.45-1,775.61

Finding the Fourth Proportional to 2,435.76, 3,647.45 and 1,775.61

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Solution

The fourth proportional to 2,435.76, 3,647.45 and 1,775.61 is: 2,658.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,435.76 : 3,647.45 = 1,775.61 : x
  2. Step 2: Convert to fraction form
    2,435.76/3,647.45 = 1,775.61/x
  3. Step 3: Cross multiply
    2,435.76x = 3,647.45 × 1,775.61
  4. Step 4: Simplify right side
    2,435.76x = 6,476,439.82
  5. Step 5: Solve for x
    x = 6,476,439.82/2,435.76
  6. Step 6: Final answer
    x = 2,658.90

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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.