Home / 3,117.06-4,671.96-2,191.26

Finding the Fourth Proportional to 3,117.06, 4,671.96 and 2,191.26

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Solution

The fourth proportional to 3,117.06, 4,671.96 and 2,191.26 is: 3,284.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.06 : 4,671.96 = 2,191.26 : x
  2. Step 2: Convert to fraction form
    3,117.06/4,671.96 = 2,191.26/x
  3. Step 3: Cross multiply
    3,117.06x = 4,671.96 × 2,191.26
  4. Step 4: Simplify right side
    3,117.06x = 10,237,479.07
  5. Step 5: Solve for x
    x = 10,237,479.07/3,117.06
  6. Step 6: Final answer
    x = 3,284.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.