Home / 2,479.38-3,423.36-1,692.06

Finding the Fourth Proportional to 2,479.38, 3,423.36 and 1,692.06

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Solution

The fourth proportional to 2,479.38, 3,423.36 and 1,692.06 is: 2,336.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479.38 : 3,423.36 = 1,692.06 : x
  2. Step 2: Convert to fraction form
    2,479.38/3,423.36 = 1,692.06/x
  3. Step 3: Cross multiply
    2,479.38x = 3,423.36 × 1,692.06
  4. Step 4: Simplify right side
    2,479.38x = 5,792,530.52
  5. Step 5: Solve for x
    x = 5,792,530.52/2,479.38
  6. Step 6: Final answer
    x = 2,336.28

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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.