Home / 2,772.65-4,160.12-1,540.91

Finding the Fourth Proportional to 2,772.65, 4,160.12 and 1,540.91

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Solution

The fourth proportional to 2,772.65, 4,160.12 and 1,540.91 is: 2,312.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.65 : 4,160.12 = 1,540.91 : x
  2. Step 2: Convert to fraction form
    2,772.65/4,160.12 = 1,540.91/x
  3. Step 3: Cross multiply
    2,772.65x = 4,160.12 × 1,540.91
  4. Step 4: Simplify right side
    2,772.65x = 6,410,342.00
  5. Step 5: Solve for x
    x = 6,410,342.00/2,772.65
  6. Step 6: Final answer
    x = 2,312.00

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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.