Home / 3,515.87-5,274.35-1,175.15

Finding the Fourth Proportional to 3,515.87, 5,274.35 and 1,175.15

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Solution

The fourth proportional to 3,515.87, 5,274.35 and 1,175.15 is: 1,762.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.87 : 5,274.35 = 1,175.15 : x
  2. Step 2: Convert to fraction form
    3,515.87/5,274.35 = 1,175.15/x
  3. Step 3: Cross multiply
    3,515.87x = 5,274.35 × 1,175.15
  4. Step 4: Simplify right side
    3,515.87x = 6,198,146.53
  5. Step 5: Solve for x
    x = 6,198,146.53/3,515.87
  6. Step 6: Final answer
    x = 1,762.91

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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.