Home / 3,111.66-4,293.17-1,852.08

Finding the Fourth Proportional to 3,111.66, 4,293.17 and 1,852.08

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Solution

The fourth proportional to 3,111.66, 4,293.17 and 1,852.08 is: 2,555.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111.66 : 4,293.17 = 1,852.08 : x
  2. Step 2: Convert to fraction form
    3,111.66/4,293.17 = 1,852.08/x
  3. Step 3: Cross multiply
    3,111.66x = 4,293.17 × 1,852.08
  4. Step 4: Simplify right side
    3,111.66x = 7,951,263.57
  5. Step 5: Solve for x
    x = 7,951,263.57/3,111.66
  6. Step 6: Final answer
    x = 2,555.32

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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.