Home / 3,175.06-4,763.35-1,325.15

Finding the Fourth Proportional to 3,175.06, 4,763.35 and 1,325.15

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Solution

The fourth proportional to 3,175.06, 4,763.35 and 1,325.15 is: 1,988.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175.06 : 4,763.35 = 1,325.15 : x
  2. Step 2: Convert to fraction form
    3,175.06/4,763.35 = 1,325.15/x
  3. Step 3: Cross multiply
    3,175.06x = 4,763.35 × 1,325.15
  4. Step 4: Simplify right side
    3,175.06x = 6,312,153.25
  5. Step 5: Solve for x
    x = 6,312,153.25/3,175.06
  6. Step 6: Final answer
    x = 1,988.04

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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.