Home / 3,579.60-5,369.40-2,486.10

Finding the Fourth Proportional to 3,579.60, 5,369.40 and 2,486.10

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Solution

The fourth proportional to 3,579.60, 5,369.40 and 2,486.10 is: 3,729.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.60 : 5,369.40 = 2,486.10 : x
  2. Step 2: Convert to fraction form
    3,579.60/5,369.40 = 2,486.10/x
  3. Step 3: Cross multiply
    3,579.60x = 5,369.40 × 2,486.10
  4. Step 4: Simplify right side
    3,579.60x = 13,348,865.34
  5. Step 5: Solve for x
    x = 13,348,865.34/3,579.60
  6. Step 6: Final answer
    x = 3,729.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.