Home / 3,428.48-4,730.88-2,186.24

Finding the Fourth Proportional to 3,428.48, 4,730.88 and 2,186.24

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Solution

The fourth proportional to 3,428.48, 4,730.88 and 2,186.24 is: 3,016.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.48 : 4,730.88 = 2,186.24 : x
  2. Step 2: Convert to fraction form
    3,428.48/4,730.88 = 2,186.24/x
  3. Step 3: Cross multiply
    3,428.48x = 4,730.88 × 2,186.24
  4. Step 4: Simplify right side
    3,428.48x = 10,342,839.09
  5. Step 5: Solve for x
    x = 10,342,839.09/3,428.48
  6. Step 6: Final answer
    x = 3,016.74

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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.