Home / 1,964.62-2,690.79-1,851.02

Finding the Fourth Proportional to 1,964.62, 2,690.79 and 1,851.02

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Solution

The fourth proportional to 1,964.62, 2,690.79 and 1,851.02 is: 2,535.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964.62 : 2,690.79 = 1,851.02 : x
  2. Step 2: Convert to fraction form
    1,964.62/2,690.79 = 1,851.02/x
  3. Step 3: Cross multiply
    1,964.62x = 2,690.79 × 1,851.02
  4. Step 4: Simplify right side
    1,964.62x = 4,980,706.11
  5. Step 5: Solve for x
    x = 4,980,706.11/1,964.62
  6. Step 6: Final answer
    x = 2,535.20

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.