Home / 2,904.40-4,008.08-1,578.10

Finding the Fourth Proportional to 2,904.40, 4,008.08 and 1,578.10

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Solution

The fourth proportional to 2,904.40, 4,008.08 and 1,578.10 is: 2,177.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.40 : 4,008.08 = 1,578.10 : x
  2. Step 2: Convert to fraction form
    2,904.40/4,008.08 = 1,578.10/x
  3. Step 3: Cross multiply
    2,904.40x = 4,008.08 × 1,578.10
  4. Step 4: Simplify right side
    2,904.40x = 6,325,160.00
  5. Step 5: Solve for x
    x = 6,325,160.00/2,904.40
  6. Step 6: Final answer
    x = 2,177.79

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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.