Home / 3,619.96-4,995.76-2,048.20

Finding the Fourth Proportional to 3,619.96, 4,995.76 and 2,048.20

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Solution

The fourth proportional to 3,619.96, 4,995.76 and 2,048.20 is: 2,826.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.96 : 4,995.76 = 2,048.20 : x
  2. Step 2: Convert to fraction form
    3,619.96/4,995.76 = 2,048.20/x
  3. Step 3: Cross multiply
    3,619.96x = 4,995.76 × 2,048.20
  4. Step 4: Simplify right side
    3,619.96x = 10,232,315.63
  5. Step 5: Solve for x
    x = 10,232,315.63/3,619.96
  6. Step 6: Final answer
    x = 2,826.64

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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.