Home / 2,867.31-3,953.19-1,923.26

Finding the Fourth Proportional to 2,867.31, 3,953.19 and 1,923.26

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Solution

The fourth proportional to 2,867.31, 3,953.19 and 1,923.26 is: 2,651.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.31 : 3,953.19 = 1,923.26 : x
  2. Step 2: Convert to fraction form
    2,867.31/3,953.19 = 1,923.26/x
  3. Step 3: Cross multiply
    2,867.31x = 3,953.19 × 1,923.26
  4. Step 4: Simplify right side
    2,867.31x = 7,602,988.83
  5. Step 5: Solve for x
    x = 7,602,988.83/2,867.31
  6. Step 6: Final answer
    x = 2,651.61

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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.