Home / 3,504.28-4,837.95-2,178.71

Finding the Fourth Proportional to 3,504.28, 4,837.95 and 2,178.71

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Solution

The fourth proportional to 3,504.28, 4,837.95 and 2,178.71 is: 3,007.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,504.28 : 4,837.95 = 2,178.71 : x
  2. Step 2: Convert to fraction form
    3,504.28/4,837.95 = 2,178.71/x
  3. Step 3: Cross multiply
    3,504.28x = 4,837.95 × 2,178.71
  4. Step 4: Simplify right side
    3,504.28x = 10,540,490.04
  5. Step 5: Solve for x
    x = 10,540,490.04/3,504.28
  6. Step 6: Final answer
    x = 3,007.89

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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.