Home / 3,362.45-4,638.98-2,105.08

Finding the Fourth Proportional to 3,362.45, 4,638.98 and 2,105.08

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Solution

The fourth proportional to 3,362.45, 4,638.98 and 2,105.08 is: 2,904.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,362.45 : 4,638.98 = 2,105.08 : x
  2. Step 2: Convert to fraction form
    3,362.45/4,638.98 = 2,105.08/x
  3. Step 3: Cross multiply
    3,362.45x = 4,638.98 × 2,105.08
  4. Step 4: Simplify right side
    3,362.45x = 9,765,424.02
  5. Step 5: Solve for x
    x = 9,765,424.02/3,362.45
  6. Step 6: Final answer
    x = 2,904.26

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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.