Home / 2,572.44-3,551.19-1,723.15

Finding the Fourth Proportional to 2,572.44, 3,551.19 and 1,723.15

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Solution

The fourth proportional to 2,572.44, 3,551.19 and 1,723.15 is: 2,378.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,572.44 : 3,551.19 = 1,723.15 : x
  2. Step 2: Convert to fraction form
    2,572.44/3,551.19 = 1,723.15/x
  3. Step 3: Cross multiply
    2,572.44x = 3,551.19 × 1,723.15
  4. Step 4: Simplify right side
    2,572.44x = 6,119,235.87
  5. Step 5: Solve for x
    x = 6,119,235.87/2,572.44
  6. Step 6: Final answer
    x = 2,378.77

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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.