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Finding the Fourth Proportional to 3,603.63, 4,970.39 and 2,754.80

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Solution

The fourth proportional to 3,603.63, 4,970.39 and 2,754.80 is: 3,799.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603.63 : 4,970.39 = 2,754.80 : x
  2. Step 2: Convert to fraction form
    3,603.63/4,970.39 = 2,754.80/x
  3. Step 3: Cross multiply
    3,603.63x = 4,970.39 × 2,754.80
  4. Step 4: Simplify right side
    3,603.63x = 13,692,429.02
  5. Step 5: Solve for x
    x = 13,692,429.02/3,603.63
  6. Step 6: Final answer
    x = 3,799.62

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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.