Home / 2,319.21-3,474.18-1,394.27

Finding the Fourth Proportional to 2,319.21, 3,474.18 and 1,394.27

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Solution

The fourth proportional to 2,319.21, 3,474.18 and 1,394.27 is: 2,088.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.21 : 3,474.18 = 1,394.27 : x
  2. Step 2: Convert to fraction form
    2,319.21/3,474.18 = 1,394.27/x
  3. Step 3: Cross multiply
    2,319.21x = 3,474.18 × 1,394.27
  4. Step 4: Simplify right side
    2,319.21x = 4,843,927.58
  5. Step 5: Solve for x
    x = 4,843,927.58/2,319.21
  6. Step 6: Final answer
    x = 2,088.61

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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.