Home / 3,127.04-4,689.42-935.84

Finding the Fourth Proportional to 3,127.04, 4,689.42 and 935.84

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Solution

The fourth proportional to 3,127.04, 4,689.42 and 935.84 is: 1,403.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.04 : 4,689.42 = 935.84 : x
  2. Step 2: Convert to fraction form
    3,127.04/4,689.42 = 935.84/x
  3. Step 3: Cross multiply
    3,127.04x = 4,689.42 × 935.84
  4. Step 4: Simplify right side
    3,127.04x = 4,388,546.81
  5. Step 5: Solve for x
    x = 4,388,546.81/3,127.04
  6. Step 6: Final answer
    x = 1,403.42

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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.