Home / 3,111.08-4,293.08-1,713.83

Finding the Fourth Proportional to 3,111.08, 4,293.08 and 1,713.83

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Solution

The fourth proportional to 3,111.08, 4,293.08 and 1,713.83 is: 2,364.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111.08 : 4,293.08 = 1,713.83 : x
  2. Step 2: Convert to fraction form
    3,111.08/4,293.08 = 1,713.83/x
  3. Step 3: Cross multiply
    3,111.08x = 4,293.08 × 1,713.83
  4. Step 4: Simplify right side
    3,111.08x = 7,357,579.26
  5. Step 5: Solve for x
    x = 7,357,579.26/3,111.08
  6. Step 6: Final answer
    x = 2,364.96

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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.