Home / 2,784.18-4,176.28-2,261.72

Finding the Fourth Proportional to 2,784.18, 4,176.28 and 2,261.72

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Solution

The fourth proportional to 2,784.18, 4,176.28 and 2,261.72 is: 3,392.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784.18 : 4,176.28 = 2,261.72 : x
  2. Step 2: Convert to fraction form
    2,784.18/4,176.28 = 2,261.72/x
  3. Step 3: Cross multiply
    2,784.18x = 4,176.28 × 2,261.72
  4. Step 4: Simplify right side
    2,784.18x = 9,445,576.00
  5. Step 5: Solve for x
    x = 9,445,576.00/2,784.18
  6. Step 6: Final answer
    x = 3,392.59

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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.