Home / 3,407.06-5,111.62-1,534.50

Finding the Fourth Proportional to 3,407.06, 5,111.62 and 1,534.50

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Solution

The fourth proportional to 3,407.06, 5,111.62 and 1,534.50 is: 2,302.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407.06 : 5,111.62 = 1,534.50 : x
  2. Step 2: Convert to fraction form
    3,407.06/5,111.62 = 1,534.50/x
  3. Step 3: Cross multiply
    3,407.06x = 5,111.62 × 1,534.50
  4. Step 4: Simplify right side
    3,407.06x = 7,843,777.05
  5. Step 5: Solve for x
    x = 7,843,777.05/3,407.06
  6. Step 6: Final answer
    x = 2,302.21

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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.