Home / 3,407.07-5,103.42-1,559.74

Finding the Fourth Proportional to 3,407.07, 5,103.42 and 1,559.74

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Solution

The fourth proportional to 3,407.07, 5,103.42 and 1,559.74 is: 2,336.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407.07 : 5,103.42 = 1,559.74 : x
  2. Step 2: Convert to fraction form
    3,407.07/5,103.42 = 1,559.74/x
  3. Step 3: Cross multiply
    3,407.07x = 5,103.42 × 1,559.74
  4. Step 4: Simplify right side
    3,407.07x = 7,960,008.31
  5. Step 5: Solve for x
    x = 7,960,008.31/3,407.07
  6. Step 6: Final answer
    x = 2,336.32

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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.