Home / 3,501.71-5,247.09-2,979.57

Finding the Fourth Proportional to 3,501.71, 5,247.09 and 2,979.57

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Solution

The fourth proportional to 3,501.71, 5,247.09 and 2,979.57 is: 4,464.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,501.71 : 5,247.09 = 2,979.57 : x
  2. Step 2: Convert to fraction form
    3,501.71/5,247.09 = 2,979.57/x
  3. Step 3: Cross multiply
    3,501.71x = 5,247.09 × 2,979.57
  4. Step 4: Simplify right side
    3,501.71x = 15,634,066.28
  5. Step 5: Solve for x
    x = 15,634,066.28/3,501.71
  6. Step 6: Final answer
    x = 4,464.69

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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.