Home / 3,512.15-5,267.67-1,172.19

Finding the Fourth Proportional to 3,512.15, 5,267.67 and 1,172.19

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Solution

The fourth proportional to 3,512.15, 5,267.67 and 1,172.19 is: 1,758.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.15 : 5,267.67 = 1,172.19 : x
  2. Step 2: Convert to fraction form
    3,512.15/5,267.67 = 1,172.19/x
  3. Step 3: Cross multiply
    3,512.15x = 5,267.67 × 1,172.19
  4. Step 4: Simplify right side
    3,512.15x = 6,174,710.10
  5. Step 5: Solve for x
    x = 6,174,710.10/3,512.15
  6. Step 6: Final answer
    x = 1,758.10

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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.