Home / 1,949.61-2,692.75-1,552.60

Finding the Fourth Proportional to 1,949.61, 2,692.75 and 1,552.60

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Solution

The fourth proportional to 1,949.61, 2,692.75 and 1,552.60 is: 2,144.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949.61 : 2,692.75 = 1,552.60 : x
  2. Step 2: Convert to fraction form
    1,949.61/2,692.75 = 1,552.60/x
  3. Step 3: Cross multiply
    1,949.61x = 2,692.75 × 1,552.60
  4. Step 4: Simplify right side
    1,949.61x = 4,180,763.65
  5. Step 5: Solve for x
    x = 4,180,763.65/1,949.61
  6. Step 6: Final answer
    x = 2,144.41

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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.