Home / 3,117.91-4,675.23-2,762.62

Finding the Fourth Proportional to 3,117.91, 4,675.23 and 2,762.62

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Solution

The fourth proportional to 3,117.91, 4,675.23 and 2,762.62 is: 4,142.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.91 : 4,675.23 = 2,762.62 : x
  2. Step 2: Convert to fraction form
    3,117.91/4,675.23 = 2,762.62/x
  3. Step 3: Cross multiply
    3,117.91x = 4,675.23 × 2,762.62
  4. Step 4: Simplify right side
    3,117.91x = 12,915,846.71
  5. Step 5: Solve for x
    x = 12,915,846.71/3,117.91
  6. Step 6: Final answer
    x = 4,142.48

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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.