Home / 2,563.50-3,845.63-1,003.51

Finding the Fourth Proportional to 2,563.50, 3,845.63 and 1,003.51

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Solution

The fourth proportional to 2,563.50, 3,845.63 and 1,003.51 is: 1,505.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,563.50 : 3,845.63 = 1,003.51 : x
  2. Step 2: Convert to fraction form
    2,563.50/3,845.63 = 1,003.51/x
  3. Step 3: Cross multiply
    2,563.50x = 3,845.63 × 1,003.51
  4. Step 4: Simplify right side
    2,563.50x = 3,859,140.65
  5. Step 5: Solve for x
    x = 3,859,140.65/2,563.50
  6. Step 6: Final answer
    x = 1,505.42

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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.