Home / 3,577.20-4,937.67-2,085.90

Finding the Fourth Proportional to 3,577.20, 4,937.67 and 2,085.90

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Solution

The fourth proportional to 3,577.20, 4,937.67 and 2,085.90 is: 2,879.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,577.20 : 4,937.67 = 2,085.90 : x
  2. Step 2: Convert to fraction form
    3,577.20/4,937.67 = 2,085.90/x
  3. Step 3: Cross multiply
    3,577.20x = 4,937.67 × 2,085.90
  4. Step 4: Simplify right side
    3,577.20x = 10,299,485.85
  5. Step 5: Solve for x
    x = 10,299,485.85/3,577.20
  6. Step 6: Final answer
    x = 2,879.20

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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.