Home / 3,692.07-5,095.55-2,120.18

Finding the Fourth Proportional to 3,692.07, 5,095.55 and 2,120.18

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Solution

The fourth proportional to 3,692.07, 5,095.55 and 2,120.18 is: 2,926.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,692.07 : 5,095.55 = 2,120.18 : x
  2. Step 2: Convert to fraction form
    3,692.07/5,095.55 = 2,120.18/x
  3. Step 3: Cross multiply
    3,692.07x = 5,095.55 × 2,120.18
  4. Step 4: Simplify right side
    3,692.07x = 10,803,447.12
  5. Step 5: Solve for x
    x = 10,803,447.12/3,692.07
  6. Step 6: Final answer
    x = 2,926.12

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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.