Home / 2,548.46-3,515.74-1,553.65

Finding the Fourth Proportional to 2,548.46, 3,515.74 and 1,553.65

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Solution

The fourth proportional to 2,548.46, 3,515.74 and 1,553.65 is: 2,143.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,548.46 : 3,515.74 = 1,553.65 : x
  2. Step 2: Convert to fraction form
    2,548.46/3,515.74 = 1,553.65/x
  3. Step 3: Cross multiply
    2,548.46x = 3,515.74 × 1,553.65
  4. Step 4: Simplify right side
    2,548.46x = 5,462,216.78
  5. Step 5: Solve for x
    x = 5,462,216.78/2,548.46
  6. Step 6: Final answer
    x = 2,143.34

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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.