Home / 2,335.66-3,216.70-1,939.04

Finding the Fourth Proportional to 2,335.66, 3,216.70 and 1,939.04

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Solution

The fourth proportional to 2,335.66, 3,216.70 and 1,939.04 is: 2,670.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,335.66 : 3,216.70 = 1,939.04 : x
  2. Step 2: Convert to fraction form
    2,335.66/3,216.70 = 1,939.04/x
  3. Step 3: Cross multiply
    2,335.66x = 3,216.70 × 1,939.04
  4. Step 4: Simplify right side
    2,335.66x = 6,237,309.97
  5. Step 5: Solve for x
    x = 6,237,309.97/2,335.66
  6. Step 6: Final answer
    x = 2,670.47

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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.