Home / 3,083.40-4,255.36-1,756.82

Finding the Fourth Proportional to 3,083.40, 4,255.36 and 1,756.82

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Solution

The fourth proportional to 3,083.40, 4,255.36 and 1,756.82 is: 2,424.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,083.40 : 4,255.36 = 1,756.82 : x
  2. Step 2: Convert to fraction form
    3,083.40/4,255.36 = 1,756.82/x
  3. Step 3: Cross multiply
    3,083.40x = 4,255.36 × 1,756.82
  4. Step 4: Simplify right side
    3,083.40x = 7,475,901.56
  5. Step 5: Solve for x
    x = 7,475,901.56/3,083.40
  6. Step 6: Final answer
    x = 2,424.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.