Home / 3,658.33-5,048.57-2,165.70

Finding the Fourth Proportional to 3,658.33, 5,048.57 and 2,165.70

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Solution

The fourth proportional to 3,658.33, 5,048.57 and 2,165.70 is: 2,988.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,658.33 : 5,048.57 = 2,165.70 : x
  2. Step 2: Convert to fraction form
    3,658.33/5,048.57 = 2,165.70/x
  3. Step 3: Cross multiply
    3,658.33x = 5,048.57 × 2,165.70
  4. Step 4: Simplify right side
    3,658.33x = 10,933,706.08
  5. Step 5: Solve for x
    x = 10,933,706.08/3,658.33
  6. Step 6: Final answer
    x = 2,988.72

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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.