Home / 2,305.20-3,457.80-1,649.10

Finding the Fourth Proportional to 2,305.20, 3,457.80 and 1,649.10

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Solution

The fourth proportional to 2,305.20, 3,457.80 and 1,649.10 is: 2,473.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305.20 : 3,457.80 = 1,649.10 : x
  2. Step 2: Convert to fraction form
    2,305.20/3,457.80 = 1,649.10/x
  3. Step 3: Cross multiply
    2,305.20x = 3,457.80 × 1,649.10
  4. Step 4: Simplify right side
    2,305.20x = 5,702,257.98
  5. Step 5: Solve for x
    x = 5,702,257.98/2,305.20
  6. Step 6: Final answer
    x = 2,473.65

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Similar ratio
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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.