Home / 3,349.61-4,627.92-2,788.28

Finding the Fourth Proportional to 3,349.61, 4,627.92 and 2,788.28

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Solution

The fourth proportional to 3,349.61, 4,627.92 and 2,788.28 is: 3,852.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,349.61 : 4,627.92 = 2,788.28 : x
  2. Step 2: Convert to fraction form
    3,349.61/4,627.92 = 2,788.28/x
  3. Step 3: Cross multiply
    3,349.61x = 4,627.92 × 2,788.28
  4. Step 4: Simplify right side
    3,349.61x = 12,903,936.78
  5. Step 5: Solve for x
    x = 12,903,936.78/3,349.61
  6. Step 6: Final answer
    x = 3,852.37

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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.