Home / 2,355.40-3,243.06-2,000.57

Finding the Fourth Proportional to 2,355.40, 3,243.06 and 2,000.57

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Solution

The fourth proportional to 2,355.40, 3,243.06 and 2,000.57 is: 2,754.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355.40 : 3,243.06 = 2,000.57 : x
  2. Step 2: Convert to fraction form
    2,355.40/3,243.06 = 2,000.57/x
  3. Step 3: Cross multiply
    2,355.40x = 3,243.06 × 2,000.57
  4. Step 4: Simplify right side
    2,355.40x = 6,487,976.65
  5. Step 5: Solve for x
    x = 6,487,976.65/2,355.40
  6. Step 6: Final answer
    x = 2,754.51

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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.