Home / 2,904.45-4,008.13-1,578.14

Finding the Fourth Proportional to 2,904.45, 4,008.13 and 1,578.14

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Solution

The fourth proportional to 2,904.45, 4,008.13 and 1,578.14 is: 2,177.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.45 : 4,008.13 = 1,578.14 : x
  2. Step 2: Convert to fraction form
    2,904.45/4,008.13 = 1,578.14/x
  3. Step 3: Cross multiply
    2,904.45x = 4,008.13 × 1,578.14
  4. Step 4: Simplify right side
    2,904.45x = 6,325,381.32
  5. Step 5: Solve for x
    x = 6,325,381.32/2,904.45
  6. Step 6: Final answer
    x = 2,177.83

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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.