Home / 3,407.42-5,100.52-2,625.40

Finding the Fourth Proportional to 3,407.42, 5,100.52 and 2,625.40

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Solution

The fourth proportional to 3,407.42, 5,100.52 and 2,625.40 is: 3,929.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407.42 : 5,100.52 = 2,625.40 : x
  2. Step 2: Convert to fraction form
    3,407.42/5,100.52 = 2,625.40/x
  3. Step 3: Cross multiply
    3,407.42x = 5,100.52 × 2,625.40
  4. Step 4: Simplify right side
    3,407.42x = 13,390,905.21
  5. Step 5: Solve for x
    x = 13,390,905.21/3,407.42
  6. Step 6: Final answer
    x = 3,929.93

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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.