Home / 3,175.18-4,763.21-1,325.87

Finding the Fourth Proportional to 3,175.18, 4,763.21 and 1,325.87

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Solution

The fourth proportional to 3,175.18, 4,763.21 and 1,325.87 is: 1,988.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175.18 : 4,763.21 = 1,325.87 : x
  2. Step 2: Convert to fraction form
    3,175.18/4,763.21 = 1,325.87/x
  3. Step 3: Cross multiply
    3,175.18x = 4,763.21 × 1,325.87
  4. Step 4: Simplify right side
    3,175.18x = 6,315,397.24
  5. Step 5: Solve for x
    x = 6,315,397.24/3,175.18
  6. Step 6: Final answer
    x = 1,988.99

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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.