Home / 3,345.48-4,618.60-2,227.28

Finding the Fourth Proportional to 3,345.48, 4,618.60 and 2,227.28

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Solution

The fourth proportional to 3,345.48, 4,618.60 and 2,227.28 is: 3,074.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.48 : 4,618.60 = 2,227.28 : x
  2. Step 2: Convert to fraction form
    3,345.48/4,618.60 = 2,227.28/x
  3. Step 3: Cross multiply
    3,345.48x = 4,618.60 × 2,227.28
  4. Step 4: Simplify right side
    3,345.48x = 10,286,915.41
  5. Step 5: Solve for x
    x = 10,286,915.41/3,345.48
  6. Step 6: Final answer
    x = 3,074.87

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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.