Home / 3,490.31-5,235.46-1,181.63

Finding the Fourth Proportional to 3,490.31, 5,235.46 and 1,181.63

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Solution

The fourth proportional to 3,490.31, 5,235.46 and 1,181.63 is: 1,772.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.31 : 5,235.46 = 1,181.63 : x
  2. Step 2: Convert to fraction form
    3,490.31/5,235.46 = 1,181.63/x
  3. Step 3: Cross multiply
    3,490.31x = 5,235.46 × 1,181.63
  4. Step 4: Simplify right side
    3,490.31x = 6,186,347.47
  5. Step 5: Solve for x
    x = 6,186,347.47/3,490.31
  6. Step 6: Final answer
    x = 1,772.44

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1.5x scale

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.