Home / 3,746.55-5,172.12-2,330.70

Finding the Fourth Proportional to 3,746.55, 5,172.12 and 2,330.70

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Solution

The fourth proportional to 3,746.55, 5,172.12 and 2,330.70 is: 3,217.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746.55 : 5,172.12 = 2,330.70 : x
  2. Step 2: Convert to fraction form
    3,746.55/5,172.12 = 2,330.70/x
  3. Step 3: Cross multiply
    3,746.55x = 5,172.12 × 2,330.70
  4. Step 4: Simplify right side
    3,746.55x = 12,054,660.08
  5. Step 5: Solve for x
    x = 12,054,660.08/3,746.55
  6. Step 6: Final answer
    x = 3,217.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.