Home / 2,772.41-4,148.88-2,152.16

Finding the Fourth Proportional to 2,772.41, 4,148.88 and 2,152.16

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Solution

The fourth proportional to 2,772.41, 4,148.88 and 2,152.16 is: 3,220.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.41 : 4,148.88 = 2,152.16 : x
  2. Step 2: Convert to fraction form
    2,772.41/4,148.88 = 2,152.16/x
  3. Step 3: Cross multiply
    2,772.41x = 4,148.88 × 2,152.16
  4. Step 4: Simplify right side
    2,772.41x = 8,929,053.58
  5. Step 5: Solve for x
    x = 8,929,053.58/2,772.41
  6. Step 6: Final answer
    x = 3,220.68

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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.