Home / 3,089.17-4,261.84-1,969.91

Finding the Fourth Proportional to 3,089.17, 4,261.84 and 1,969.91

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Solution

The fourth proportional to 3,089.17, 4,261.84 and 1,969.91 is: 2,717.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.17 : 4,261.84 = 1,969.91 : x
  2. Step 2: Convert to fraction form
    3,089.17/4,261.84 = 1,969.91/x
  3. Step 3: Cross multiply
    3,089.17x = 4,261.84 × 1,969.91
  4. Step 4: Simplify right side
    3,089.17x = 8,395,441.23
  5. Step 5: Solve for x
    x = 8,395,441.23/3,089.17
  6. Step 6: Final answer
    x = 2,717.70

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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.