Home / 2,772.63-4,160.16-1,472.58

Finding the Fourth Proportional to 2,772.63, 4,160.16 and 1,472.58

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Solution

The fourth proportional to 2,772.63, 4,160.16 and 1,472.58 is: 2,209.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.63 : 4,160.16 = 1,472.58 : x
  2. Step 2: Convert to fraction form
    2,772.63/4,160.16 = 1,472.58/x
  3. Step 3: Cross multiply
    2,772.63x = 4,160.16 × 1,472.58
  4. Step 4: Simplify right side
    2,772.63x = 6,126,168.41
  5. Step 5: Solve for x
    x = 6,126,168.41/2,772.63
  6. Step 6: Final answer
    x = 2,209.52

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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.