Home / 2,921.45-4,376.49-2,594.21

Finding the Fourth Proportional to 2,921.45, 4,376.49 and 2,594.21

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Solution

The fourth proportional to 2,921.45, 4,376.49 and 2,594.21 is: 3,886.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921.45 : 4,376.49 = 2,594.21 : x
  2. Step 2: Convert to fraction form
    2,921.45/4,376.49 = 2,594.21/x
  3. Step 3: Cross multiply
    2,921.45x = 4,376.49 × 2,594.21
  4. Step 4: Simplify right side
    2,921.45x = 11,353,512.24
  5. Step 5: Solve for x
    x = 11,353,512.24/2,921.45
  6. Step 6: Final answer
    x = 3,886.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.