Home / 2,456.44-3,390.04-1,394.32

Finding the Fourth Proportional to 2,456.44, 3,390.04 and 1,394.32

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Solution

The fourth proportional to 2,456.44, 3,390.04 and 1,394.32 is: 1,924.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,456.44 : 3,390.04 = 1,394.32 : x
  2. Step 2: Convert to fraction form
    2,456.44/3,390.04 = 1,394.32/x
  3. Step 3: Cross multiply
    2,456.44x = 3,390.04 × 1,394.32
  4. Step 4: Simplify right side
    2,456.44x = 4,726,800.57
  5. Step 5: Solve for x
    x = 4,726,800.57/2,456.44
  6. Step 6: Final answer
    x = 1,924.25

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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.