Home / 3,133.49-4,322.69-2,635.95

Finding the Fourth Proportional to 3,133.49, 4,322.69 and 2,635.95

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Solution

The fourth proportional to 3,133.49, 4,322.69 and 2,635.95 is: 3,636.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.49 : 4,322.69 = 2,635.95 : x
  2. Step 2: Convert to fraction form
    3,133.49/4,322.69 = 2,635.95/x
  3. Step 3: Cross multiply
    3,133.49x = 4,322.69 × 2,635.95
  4. Step 4: Simplify right side
    3,133.49x = 11,394,381.53
  5. Step 5: Solve for x
    x = 11,394,381.53/3,133.49
  6. Step 6: Final answer
    x = 3,636.32

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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.