Home / 2,904.91-4,008.80-1,578.59

Finding the Fourth Proportional to 2,904.91, 4,008.80 and 1,578.59

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Solution

The fourth proportional to 2,904.91, 4,008.80 and 1,578.59 is: 2,178.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.91 : 4,008.80 = 1,578.59 : x
  2. Step 2: Convert to fraction form
    2,904.91/4,008.80 = 1,578.59/x
  3. Step 3: Cross multiply
    2,904.91x = 4,008.80 × 1,578.59
  4. Step 4: Simplify right side
    2,904.91x = 6,328,231.55
  5. Step 5: Solve for x
    x = 6,328,231.55/2,904.91
  6. Step 6: Final answer
    x = 2,178.46

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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.