Home / 3,127.04-4,689.24-936.08

Finding the Fourth Proportional to 3,127.04, 4,689.24 and 936.08

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Solution

The fourth proportional to 3,127.04, 4,689.24 and 936.08 is: 1,403.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.04 : 4,689.24 = 936.08 : x
  2. Step 2: Convert to fraction form
    3,127.04/4,689.24 = 936.08/x
  3. Step 3: Cross multiply
    3,127.04x = 4,689.24 × 936.08
  4. Step 4: Simplify right side
    3,127.04x = 4,389,503.78
  5. Step 5: Solve for x
    x = 4,389,503.78/3,127.04
  6. Step 6: Final answer
    x = 1,403.72

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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.