Home / 2,325.09-3,208.64-1,393.59

Finding the Fourth Proportional to 2,325.09, 3,208.64 and 1,393.59

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Solution

The fourth proportional to 2,325.09, 3,208.64 and 1,393.59 is: 1,923.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,325.09 : 3,208.64 = 1,393.59 : x
  2. Step 2: Convert to fraction form
    2,325.09/3,208.64 = 1,393.59/x
  3. Step 3: Cross multiply
    2,325.09x = 3,208.64 × 1,393.59
  4. Step 4: Simplify right side
    2,325.09x = 4,471,521.65
  5. Step 5: Solve for x
    x = 4,471,521.65/2,325.09
  6. Step 6: Final answer
    x = 1,923.16

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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.