Home / 3,407.24-5,109.75-1,098.20

Finding the Fourth Proportional to 3,407.24, 5,109.75 and 1,098.20

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Solution

The fourth proportional to 3,407.24, 5,109.75 and 1,098.20 is: 1,646.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407.24 : 5,109.75 = 1,098.20 : x
  2. Step 2: Convert to fraction form
    3,407.24/5,109.75 = 1,098.20/x
  3. Step 3: Cross multiply
    3,407.24x = 5,109.75 × 1,098.20
  4. Step 4: Simplify right side
    3,407.24x = 5,611,501.90
  5. Step 5: Solve for x
    x = 5,611,501.90/3,407.24
  6. Step 6: Final answer
    x = 1,646.94

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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.