Home / 2,623.11-3,619.42-1,575.19

Finding the Fourth Proportional to 2,623.11, 3,619.42 and 1,575.19

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Solution

The fourth proportional to 2,623.11, 3,619.42 and 1,575.19 is: 2,173.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,623.11 : 3,619.42 = 1,575.19 : x
  2. Step 2: Convert to fraction form
    2,623.11/3,619.42 = 1,575.19/x
  3. Step 3: Cross multiply
    2,623.11x = 3,619.42 × 1,575.19
  4. Step 4: Simplify right side
    2,623.11x = 5,701,274.19
  5. Step 5: Solve for x
    x = 5,701,274.19/2,623.11
  6. Step 6: Final answer
    x = 2,173.48

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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.