Home / 2,852.08-4,277.76-1,121.92

Finding the Fourth Proportional to 2,852.08, 4,277.76 and 1,121.92

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Solution

The fourth proportional to 2,852.08, 4,277.76 and 1,121.92 is: 1,682.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,852.08 : 4,277.76 = 1,121.92 : x
  2. Step 2: Convert to fraction form
    2,852.08/4,277.76 = 1,121.92/x
  3. Step 3: Cross multiply
    2,852.08x = 4,277.76 × 1,121.92
  4. Step 4: Simplify right side
    2,852.08x = 4,799,304.50
  5. Step 5: Solve for x
    x = 4,799,304.50/2,852.08
  6. Step 6: Final answer
    x = 1,682.74

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1.5x scale

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.