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Finding the Fourth Proportional to 3,302.80, 4,980.06 and 2,893.20

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Solution

The fourth proportional to 3,302.80, 4,980.06 and 2,893.20 is: 4,362.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,302.80 : 4,980.06 = 2,893.20 : x
  2. Step 2: Convert to fraction form
    3,302.80/4,980.06 = 2,893.20/x
  3. Step 3: Cross multiply
    3,302.80x = 4,980.06 × 2,893.20
  4. Step 4: Simplify right side
    3,302.80x = 14,408,309.59
  5. Step 5: Solve for x
    x = 14,408,309.59/3,302.80
  6. Step 6: Final answer
    x = 4,362.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.