Home / 2,575.32-3,553.84-1,679.39

Finding the Fourth Proportional to 2,575.32, 3,553.84 and 1,679.39

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Solution

The fourth proportional to 2,575.32, 3,553.84 and 1,679.39 is: 2,317.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575.32 : 3,553.84 = 1,679.39 : x
  2. Step 2: Convert to fraction form
    2,575.32/3,553.84 = 1,679.39/x
  3. Step 3: Cross multiply
    2,575.32x = 3,553.84 × 1,679.39
  4. Step 4: Simplify right side
    2,575.32x = 5,968,283.36
  5. Step 5: Solve for x
    x = 5,968,283.36/2,575.32
  6. Step 6: Final answer
    x = 2,317.49

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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.