Home / 3,632.95-5,454.44-1,879.20

Finding the Fourth Proportional to 3,632.95, 5,454.44 and 1,879.20

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Solution

The fourth proportional to 3,632.95, 5,454.44 and 1,879.20 is: 2,821.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,632.95 : 5,454.44 = 1,879.20 : x
  2. Step 2: Convert to fraction form
    3,632.95/5,454.44 = 1,879.20/x
  3. Step 3: Cross multiply
    3,632.95x = 5,454.44 × 1,879.20
  4. Step 4: Simplify right side
    3,632.95x = 10,249,981.30
  5. Step 5: Solve for x
    x = 10,249,981.30/3,632.95
  6. Step 6: Final answer
    x = 2,821.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.