Home / 1,926.15-2,659.86-1,716.36

Finding the Fourth Proportional to 1,926.15, 2,659.86 and 1,716.36

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Solution

The fourth proportional to 1,926.15, 2,659.86 and 1,716.36 is: 2,370.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926.15 : 2,659.86 = 1,716.36 : x
  2. Step 2: Convert to fraction form
    1,926.15/2,659.86 = 1,716.36/x
  3. Step 3: Cross multiply
    1,926.15x = 2,659.86 × 1,716.36
  4. Step 4: Simplify right side
    1,926.15x = 4,565,277.31
  5. Step 5: Solve for x
    x = 4,565,277.31/1,926.15
  6. Step 6: Final answer
    x = 2,370.16

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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.