Home / 2,904.56-4,008.30-1,578.23

Finding the Fourth Proportional to 2,904.56, 4,008.30 and 1,578.23

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Solution

The fourth proportional to 2,904.56, 4,008.30 and 1,578.23 is: 2,177.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.56 : 4,008.30 = 1,578.23 : x
  2. Step 2: Convert to fraction form
    2,904.56/4,008.30 = 1,578.23/x
  3. Step 3: Cross multiply
    2,904.56x = 4,008.30 × 1,578.23
  4. Step 4: Simplify right side
    2,904.56x = 6,326,011.42
  5. Step 5: Solve for x
    x = 6,326,011.42/2,904.56
  6. Step 6: Final answer
    x = 2,177.96

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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.