Home / 3,361.30-4,638.26-2,298.78

Finding the Fourth Proportional to 3,361.30, 4,638.26 and 2,298.78

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Solution

The fourth proportional to 3,361.30, 4,638.26 and 2,298.78 is: 3,172.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,361.30 : 4,638.26 = 2,298.78 : x
  2. Step 2: Convert to fraction form
    3,361.30/4,638.26 = 2,298.78/x
  3. Step 3: Cross multiply
    3,361.30x = 4,638.26 × 2,298.78
  4. Step 4: Simplify right side
    3,361.30x = 10,662,345.07
  5. Step 5: Solve for x
    x = 10,662,345.07/3,361.30
  6. Step 6: Final answer
    x = 3,172.09

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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.