Home / 3,428.61-4,731.54-2,013.39

Finding the Fourth Proportional to 3,428.61, 4,731.54 and 2,013.39

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Solution

The fourth proportional to 3,428.61, 4,731.54 and 2,013.39 is: 2,778.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.61 : 4,731.54 = 2,013.39 : x
  2. Step 2: Convert to fraction form
    3,428.61/4,731.54 = 2,013.39/x
  3. Step 3: Cross multiply
    3,428.61x = 4,731.54 × 2,013.39
  4. Step 4: Simplify right side
    3,428.61x = 9,526,435.32
  5. Step 5: Solve for x
    x = 9,526,435.32/3,428.61
  6. Step 6: Final answer
    x = 2,778.51

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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.