Home / 1,996.66-2,758.08-1,810.36

Finding the Fourth Proportional to 1,996.66, 2,758.08 and 1,810.36

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Solution

The fourth proportional to 1,996.66, 2,758.08 and 1,810.36 is: 2,500.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996.66 : 2,758.08 = 1,810.36 : x
  2. Step 2: Convert to fraction form
    1,996.66/2,758.08 = 1,810.36/x
  3. Step 3: Cross multiply
    1,996.66x = 2,758.08 × 1,810.36
  4. Step 4: Simplify right side
    1,996.66x = 4,993,117.71
  5. Step 5: Solve for x
    x = 4,993,117.71/1,996.66
  6. Step 6: Final answer
    x = 2,500.74

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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.