Home / 2,540.23-3,809.15-1,649.32

Finding the Fourth Proportional to 2,540.23, 3,809.15 and 1,649.32

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Solution

The fourth proportional to 2,540.23, 3,809.15 and 1,649.32 is: 2,473.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,540.23 : 3,809.15 = 1,649.32 : x
  2. Step 2: Convert to fraction form
    2,540.23/3,809.15 = 1,649.32/x
  3. Step 3: Cross multiply
    2,540.23x = 3,809.15 × 1,649.32
  4. Step 4: Simplify right side
    2,540.23x = 6,282,489.51
  5. Step 5: Solve for x
    x = 6,282,489.51/2,540.23
  6. Step 6: Final answer
    x = 2,473.20

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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.