Home / 3,620.30-4,995.87-2,048.72

Finding the Fourth Proportional to 3,620.30, 4,995.87 and 2,048.72

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Solution

The fourth proportional to 3,620.30, 4,995.87 and 2,048.72 is: 2,827.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.30 : 4,995.87 = 2,048.72 : x
  2. Step 2: Convert to fraction form
    3,620.30/4,995.87 = 2,048.72/x
  3. Step 3: Cross multiply
    3,620.30x = 4,995.87 × 2,048.72
  4. Step 4: Simplify right side
    3,620.30x = 10,235,138.79
  5. Step 5: Solve for x
    x = 10,235,138.79/3,620.30
  6. Step 6: Final answer
    x = 2,827.15

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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.