Home / 4,137.80-5,702.10-2,955.56

Finding the Fourth Proportional to 4,137.80, 5,702.10 and 2,955.56

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Solution

The fourth proportional to 4,137.80, 5,702.10 and 2,955.56 is: 4,072.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,137.80 : 5,702.10 = 2,955.56 : x
  2. Step 2: Convert to fraction form
    4,137.80/5,702.10 = 2,955.56/x
  3. Step 3: Cross multiply
    4,137.80x = 5,702.10 × 2,955.56
  4. Step 4: Simplify right side
    4,137.80x = 16,852,898.68
  5. Step 5: Solve for x
    x = 16,852,898.68/4,137.80
  6. Step 6: Final answer
    x = 4,072.91

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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.