Home / 2,782.19-3,839.42-1,523.24

Finding the Fourth Proportional to 2,782.19, 3,839.42 and 1,523.24

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Solution

The fourth proportional to 2,782.19, 3,839.42 and 1,523.24 is: 2,102.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782.19 : 3,839.42 = 1,523.24 : x
  2. Step 2: Convert to fraction form
    2,782.19/3,839.42 = 1,523.24/x
  3. Step 3: Cross multiply
    2,782.19x = 3,839.42 × 1,523.24
  4. Step 4: Simplify right side
    2,782.19x = 5,848,360.10
  5. Step 5: Solve for x
    x = 5,848,360.10/2,782.19
  6. Step 6: Final answer
    x = 2,102.07

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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.