Home / 3,172.42-4,760.66-1,712.58

Finding the Fourth Proportional to 3,172.42, 4,760.66 and 1,712.58

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Solution

The fourth proportional to 3,172.42, 4,760.66 and 1,712.58 is: 2,569.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172.42 : 4,760.66 = 1,712.58 : x
  2. Step 2: Convert to fraction form
    3,172.42/4,760.66 = 1,712.58/x
  3. Step 3: Cross multiply
    3,172.42x = 4,760.66 × 1,712.58
  4. Step 4: Simplify right side
    3,172.42x = 8,153,011.10
  5. Step 5: Solve for x
    x = 8,153,011.10/3,172.42
  6. Step 6: Final answer
    x = 2,569.97

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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.