Home / 3,736.80-5,607.34-1,398.44

Finding the Fourth Proportional to 3,736.80, 5,607.34 and 1,398.44

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Solution

The fourth proportional to 3,736.80, 5,607.34 and 1,398.44 is: 2,098.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,736.80 : 5,607.34 = 1,398.44 : x
  2. Step 2: Convert to fraction form
    3,736.80/5,607.34 = 1,398.44/x
  3. Step 3: Cross multiply
    3,736.80x = 5,607.34 × 1,398.44
  4. Step 4: Simplify right side
    3,736.80x = 7,841,528.55
  5. Step 5: Solve for x
    x = 7,841,528.55/3,736.80
  6. Step 6: Final answer
    x = 2,098.46

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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.