Home / 3,089.10-4,263.64-1,969.82

Finding the Fourth Proportional to 3,089.10, 4,263.64 and 1,969.82

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Solution

The fourth proportional to 3,089.10, 4,263.64 and 1,969.82 is: 2,718.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.10 : 4,263.64 = 1,969.82 : x
  2. Step 2: Convert to fraction form
    3,089.10/4,263.64 = 1,969.82/x
  3. Step 3: Cross multiply
    3,089.10x = 4,263.64 × 1,969.82
  4. Step 4: Simplify right side
    3,089.10x = 8,398,603.34
  5. Step 5: Solve for x
    x = 8,398,603.34/3,089.10
  6. Step 6: Final answer
    x = 2,718.79

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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.