Home / 3,261.92-4,892.72-1,070.36

Finding the Fourth Proportional to 3,261.92, 4,892.72 and 1,070.36

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Solution

The fourth proportional to 3,261.92, 4,892.72 and 1,070.36 is: 1,605.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.92 : 4,892.72 = 1,070.36 : x
  2. Step 2: Convert to fraction form
    3,261.92/4,892.72 = 1,070.36/x
  3. Step 3: Cross multiply
    3,261.92x = 4,892.72 × 1,070.36
  4. Step 4: Simplify right side
    3,261.92x = 5,236,971.78
  5. Step 5: Solve for x
    x = 5,236,971.78/3,261.92
  6. Step 6: Final answer
    x = 1,605.49

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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.