Home / 3,175.26-4,763.75-1,325.76

Finding the Fourth Proportional to 3,175.26, 4,763.75 and 1,325.76

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Solution

The fourth proportional to 3,175.26, 4,763.75 and 1,325.76 is: 1,989.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175.26 : 4,763.75 = 1,325.76 : x
  2. Step 2: Convert to fraction form
    3,175.26/4,763.75 = 1,325.76/x
  3. Step 3: Cross multiply
    3,175.26x = 4,763.75 × 1,325.76
  4. Step 4: Simplify right side
    3,175.26x = 6,315,582.57
  5. Step 5: Solve for x
    x = 6,315,582.57/3,175.26
  6. Step 6: Final answer
    x = 1,989.00

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1.5x scale

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.