Home / 3,117.37-4,682.29-1,949.46

Finding the Fourth Proportional to 3,117.37, 4,682.29 and 1,949.46

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Solution

The fourth proportional to 3,117.37, 4,682.29 and 1,949.46 is: 2,928.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.37 : 4,682.29 = 1,949.46 : x
  2. Step 2: Convert to fraction form
    3,117.37/4,682.29 = 1,949.46/x
  3. Step 3: Cross multiply
    3,117.37x = 4,682.29 × 1,949.46
  4. Step 4: Simplify right side
    3,117.37x = 9,127,937.06
  5. Step 5: Solve for x
    x = 9,127,937.06/3,117.37
  6. Step 6: Final answer
    x = 2,928.09

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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.