Home / 3,427.04-5,140.58-1,086.99

Finding the Fourth Proportional to 3,427.04, 5,140.58 and 1,086.99

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Solution

The fourth proportional to 3,427.04, 5,140.58 and 1,086.99 is: 1,630.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.04 : 5,140.58 = 1,086.99 : x
  2. Step 2: Convert to fraction form
    3,427.04/5,140.58 = 1,086.99/x
  3. Step 3: Cross multiply
    3,427.04x = 5,140.58 × 1,086.99
  4. Step 4: Simplify right side
    3,427.04x = 5,587,753.62
  5. Step 5: Solve for x
    x = 5,587,753.62/3,427.04
  6. Step 6: Final answer
    x = 1,630.49

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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.