Home / 2,904.58-4,008.35-1,578.34

Finding the Fourth Proportional to 2,904.58, 4,008.35 and 1,578.34

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Solution

The fourth proportional to 2,904.58, 4,008.35 and 1,578.34 is: 2,178.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.58 : 4,008.35 = 1,578.34 : x
  2. Step 2: Convert to fraction form
    2,904.58/4,008.35 = 1,578.34/x
  3. Step 3: Cross multiply
    2,904.58x = 4,008.35 × 1,578.34
  4. Step 4: Simplify right side
    2,904.58x = 6,326,539.14
  5. Step 5: Solve for x
    x = 6,326,539.14/2,904.58
  6. Step 6: Final answer
    x = 2,178.13

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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.