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Finding the Fourth Proportional to 3,568.29, 4,913.06 and 3,240.24

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Solution

The fourth proportional to 3,568.29, 4,913.06 and 3,240.24 is: 4,461.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,568.29 : 4,913.06 = 3,240.24 : x
  2. Step 2: Convert to fraction form
    3,568.29/4,913.06 = 3,240.24/x
  3. Step 3: Cross multiply
    3,568.29x = 4,913.06 × 3,240.24
  4. Step 4: Simplify right side
    3,568.29x = 15,919,458.91
  5. Step 5: Solve for x
    x = 15,919,458.91/3,568.29
  6. Step 6: Final answer
    x = 4,461.37

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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.