Home / 3,455.90-5,184.62-1,264.61

Finding the Fourth Proportional to 3,455.90, 5,184.62 and 1,264.61

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Solution

The fourth proportional to 3,455.90, 5,184.62 and 1,264.61 is: 1,897.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.90 : 5,184.62 = 1,264.61 : x
  2. Step 2: Convert to fraction form
    3,455.90/5,184.62 = 1,264.61/x
  3. Step 3: Cross multiply
    3,455.90x = 5,184.62 × 1,264.61
  4. Step 4: Simplify right side
    3,455.90x = 6,556,490.05
  5. Step 5: Solve for x
    x = 6,556,490.05/3,455.90
  6. Step 6: Final answer
    x = 1,897.19

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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.