Home / 3,160.98-4,364.19-2,165.94

Finding the Fourth Proportional to 3,160.98, 4,364.19 and 2,165.94

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Solution

The fourth proportional to 3,160.98, 4,364.19 and 2,165.94 is: 2,990.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160.98 : 4,364.19 = 2,165.94 : x
  2. Step 2: Convert to fraction form
    3,160.98/4,364.19 = 2,165.94/x
  3. Step 3: Cross multiply
    3,160.98x = 4,364.19 × 2,165.94
  4. Step 4: Simplify right side
    3,160.98x = 9,452,573.69
  5. Step 5: Solve for x
    x = 9,452,573.69/3,160.98
  6. Step 6: Final answer
    x = 2,990.39

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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.