Home / 2,233.40-3,346.90-1,643.80

Finding the Fourth Proportional to 2,233.40, 3,346.90 and 1,643.80

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Solution

The fourth proportional to 2,233.40, 3,346.90 and 1,643.80 is: 2,463.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,233.40 : 3,346.90 = 1,643.80 : x
  2. Step 2: Convert to fraction form
    2,233.40/3,346.90 = 1,643.80/x
  3. Step 3: Cross multiply
    2,233.40x = 3,346.90 × 1,643.80
  4. Step 4: Simplify right side
    2,233.40x = 5,501,634.22
  5. Step 5: Solve for x
    x = 5,501,634.22/2,233.40
  6. Step 6: Final answer
    x = 2,463.34

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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.