Home / 2,979.47-4,468.57-1,004.92

Finding the Fourth Proportional to 2,979.47, 4,468.57 and 1,004.92

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Solution

The fourth proportional to 2,979.47, 4,468.57 and 1,004.92 is: 1,507.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979.47 : 4,468.57 = 1,004.92 : x
  2. Step 2: Convert to fraction form
    2,979.47/4,468.57 = 1,004.92/x
  3. Step 3: Cross multiply
    2,979.47x = 4,468.57 × 1,004.92
  4. Step 4: Simplify right side
    2,979.47x = 4,490,555.36
  5. Step 5: Solve for x
    x = 4,490,555.36/2,979.47
  6. Step 6: Final answer
    x = 1,507.17

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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.