Home / 3,148.53-4,722.76-1,200.72

Finding the Fourth Proportional to 3,148.53, 4,722.76 and 1,200.72

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Solution

The fourth proportional to 3,148.53, 4,722.76 and 1,200.72 is: 1,801.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.53 : 4,722.76 = 1,200.72 : x
  2. Step 2: Convert to fraction form
    3,148.53/4,722.76 = 1,200.72/x
  3. Step 3: Cross multiply
    3,148.53x = 4,722.76 × 1,200.72
  4. Step 4: Simplify right side
    3,148.53x = 5,670,712.39
  5. Step 5: Solve for x
    x = 5,670,712.39/3,148.53
  6. Step 6: Final answer
    x = 1,801.07

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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.