Home / 2,326.51-3,208.71-1,440.64

Finding the Fourth Proportional to 2,326.51, 3,208.71 and 1,440.64

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Solution

The fourth proportional to 2,326.51, 3,208.71 and 1,440.64 is: 1,986.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,326.51 : 3,208.71 = 1,440.64 : x
  2. Step 2: Convert to fraction form
    2,326.51/3,208.71 = 1,440.64/x
  3. Step 3: Cross multiply
    2,326.51x = 3,208.71 × 1,440.64
  4. Step 4: Simplify right side
    2,326.51x = 4,622,595.97
  5. Step 5: Solve for x
    x = 4,622,595.97/2,326.51
  6. Step 6: Final answer
    x = 1,986.92

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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.