Home / 2,979.66-4,468.94-1,130.16

Finding the Fourth Proportional to 2,979.66, 4,468.94 and 1,130.16

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Solution

The fourth proportional to 2,979.66, 4,468.94 and 1,130.16 is: 1,695.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979.66 : 4,468.94 = 1,130.16 : x
  2. Step 2: Convert to fraction form
    2,979.66/4,468.94 = 1,130.16/x
  3. Step 3: Cross multiply
    2,979.66x = 4,468.94 × 1,130.16
  4. Step 4: Simplify right side
    2,979.66x = 5,050,632.58
  5. Step 5: Solve for x
    x = 5,050,632.58/2,979.66
  6. Step 6: Final answer
    x = 1,695.03

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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.