Home / 1,979.89-2,737.46-1,733.85

Finding the Fourth Proportional to 1,979.89, 2,737.46 and 1,733.85

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Solution

The fourth proportional to 1,979.89, 2,737.46 and 1,733.85 is: 2,397.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979.89 : 2,737.46 = 1,733.85 : x
  2. Step 2: Convert to fraction form
    1,979.89/2,737.46 = 1,733.85/x
  3. Step 3: Cross multiply
    1,979.89x = 2,737.46 × 1,733.85
  4. Step 4: Simplify right side
    1,979.89x = 4,746,349.36
  5. Step 5: Solve for x
    x = 4,746,349.36/1,979.89
  6. Step 6: Final answer
    x = 2,397.28

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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.