Home / 2,339.09-3,226.80-1,394.58

Finding the Fourth Proportional to 2,339.09, 3,226.80 and 1,394.58

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Solution

The fourth proportional to 2,339.09, 3,226.80 and 1,394.58 is: 1,923.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,339.09 : 3,226.80 = 1,394.58 : x
  2. Step 2: Convert to fraction form
    2,339.09/3,226.80 = 1,394.58/x
  3. Step 3: Cross multiply
    2,339.09x = 3,226.80 × 1,394.58
  4. Step 4: Simplify right side
    2,339.09x = 4,500,030.74
  5. Step 5: Solve for x
    x = 4,500,030.74/2,339.09
  6. Step 6: Final answer
    x = 1,923.84

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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.