Home / 2,772.66-4,158.72-1,384.86

Finding the Fourth Proportional to 2,772.66, 4,158.72 and 1,384.86

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Solution

The fourth proportional to 2,772.66, 4,158.72 and 1,384.86 is: 2,077.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.66 : 4,158.72 = 1,384.86 : x
  2. Step 2: Convert to fraction form
    2,772.66/4,158.72 = 1,384.86/x
  3. Step 3: Cross multiply
    2,772.66x = 4,158.72 × 1,384.86
  4. Step 4: Simplify right side
    2,772.66x = 5,759,244.98
  5. Step 5: Solve for x
    x = 5,759,244.98/2,772.66
  6. Step 6: Final answer
    x = 2,077.16

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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.