Home / 2,478.03-3,717.46-1,228.68

Finding the Fourth Proportional to 2,478.03, 3,717.46 and 1,228.68

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Solution

The fourth proportional to 2,478.03, 3,717.46 and 1,228.68 is: 1,843.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,478.03 : 3,717.46 = 1,228.68 : x
  2. Step 2: Convert to fraction form
    2,478.03/3,717.46 = 1,228.68/x
  3. Step 3: Cross multiply
    2,478.03x = 3,717.46 × 1,228.68
  4. Step 4: Simplify right side
    2,478.03x = 4,567,573.74
  5. Step 5: Solve for x
    x = 4,567,573.74/2,478.03
  6. Step 6: Final answer
    x = 1,843.23

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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.