Home / 2,808.50-4,212.74-1,575.92

Finding the Fourth Proportional to 2,808.50, 4,212.74 and 1,575.92

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Solution

The fourth proportional to 2,808.50, 4,212.74 and 1,575.92 is: 2,363.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808.50 : 4,212.74 = 1,575.92 : x
  2. Step 2: Convert to fraction form
    2,808.50/4,212.74 = 1,575.92/x
  3. Step 3: Cross multiply
    2,808.50x = 4,212.74 × 1,575.92
  4. Step 4: Simplify right side
    2,808.50x = 6,638,955.69
  5. Step 5: Solve for x
    x = 6,638,955.69/2,808.50
  6. Step 6: Final answer
    x = 2,363.88

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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.