Home / 2,762.64-4,123.62-2,531.79

Finding the Fourth Proportional to 2,762.64, 4,123.62 and 2,531.79

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Solution

The fourth proportional to 2,762.64, 4,123.62 and 2,531.79 is: 3,779.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,762.64 : 4,123.62 = 2,531.79 : x
  2. Step 2: Convert to fraction form
    2,762.64/4,123.62 = 2,531.79/x
  3. Step 3: Cross multiply
    2,762.64x = 4,123.62 × 2,531.79
  4. Step 4: Simplify right side
    2,762.64x = 10,440,139.88
  5. Step 5: Solve for x
    x = 10,440,139.88/2,762.64
  6. Step 6: Final answer
    x = 3,779.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.