Home / 3,172.77-4,760.88-1,325.26

Finding the Fourth Proportional to 3,172.77, 4,760.88 and 1,325.26

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Solution

The fourth proportional to 3,172.77, 4,760.88 and 1,325.26 is: 1,988.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172.77 : 4,760.88 = 1,325.26 : x
  2. Step 2: Convert to fraction form
    3,172.77/4,760.88 = 1,325.26/x
  3. Step 3: Cross multiply
    3,172.77x = 4,760.88 × 1,325.26
  4. Step 4: Simplify right side
    3,172.77x = 6,309,404.81
  5. Step 5: Solve for x
    x = 6,309,404.81/3,172.77
  6. Step 6: Final answer
    x = 1,988.61

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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.