Home / 3,407.50-5,108.47-1,764.52

Finding the Fourth Proportional to 3,407.50, 5,108.47 and 1,764.52

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Solution

The fourth proportional to 3,407.50, 5,108.47 and 1,764.52 is: 2,645.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407.50 : 5,108.47 = 1,764.52 : x
  2. Step 2: Convert to fraction form
    3,407.50/5,108.47 = 1,764.52/x
  3. Step 3: Cross multiply
    3,407.50x = 5,108.47 × 1,764.52
  4. Step 4: Simplify right side
    3,407.50x = 9,013,997.48
  5. Step 5: Solve for x
    x = 9,013,997.48/3,407.50
  6. Step 6: Final answer
    x = 2,645.34

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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.