Home / 1,979.37-2,724.48-1,730.07

Finding the Fourth Proportional to 1,979.37, 2,724.48 and 1,730.07

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Solution

The fourth proportional to 1,979.37, 2,724.48 and 1,730.07 is: 2,381.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979.37 : 2,724.48 = 1,730.07 : x
  2. Step 2: Convert to fraction form
    1,979.37/2,724.48 = 1,730.07/x
  3. Step 3: Cross multiply
    1,979.37x = 2,724.48 × 1,730.07
  4. Step 4: Simplify right side
    1,979.37x = 4,713,541.11
  5. Step 5: Solve for x
    x = 4,713,541.11/1,979.37
  6. Step 6: Final answer
    x = 2,381.33

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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.