Home / 2,389.19-3,296.94-1,326.93

Finding the Fourth Proportional to 2,389.19, 3,296.94 and 1,326.93

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Solution

The fourth proportional to 2,389.19, 3,296.94 and 1,326.93 is: 1,831.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389.19 : 3,296.94 = 1,326.93 : x
  2. Step 2: Convert to fraction form
    2,389.19/3,296.94 = 1,326.93/x
  3. Step 3: Cross multiply
    2,389.19x = 3,296.94 × 1,326.93
  4. Step 4: Simplify right side
    2,389.19x = 4,374,808.59
  5. Step 5: Solve for x
    x = 4,374,808.59/2,389.19
  6. Step 6: Final answer
    x = 1,831.09

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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.