Home / 1,830.16-2,731.92-1,694.80

Finding the Fourth Proportional to 1,830.16, 2,731.92 and 1,694.80

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Solution

The fourth proportional to 1,830.16, 2,731.92 and 1,694.80 is: 2,529.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,830.16 : 2,731.92 = 1,694.80 : x
  2. Step 2: Convert to fraction form
    1,830.16/2,731.92 = 1,694.80/x
  3. Step 3: Cross multiply
    1,830.16x = 2,731.92 × 1,694.80
  4. Step 4: Simplify right side
    1,830.16x = 4,630,058.02
  5. Step 5: Solve for x
    x = 4,630,058.02/1,830.16
  6. Step 6: Final answer
    x = 2,529.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.