Home / 1,246.11-1,869.50-1,110.09

Finding the Fourth Proportional to 1,246.11, 1,869.50 and 1,110.09

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Solution

The fourth proportional to 1,246.11, 1,869.50 and 1,110.09 is: 1,665.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246.11 : 1,869.50 = 1,110.09 : x
  2. Step 2: Convert to fraction form
    1,246.11/1,869.50 = 1,110.09/x
  3. Step 3: Cross multiply
    1,246.11x = 1,869.50 × 1,110.09
  4. Step 4: Simplify right side
    1,246.11x = 2,075,313.26
  5. Step 5: Solve for x
    x = 2,075,313.26/1,246.11
  6. Step 6: Final answer
    x = 1,665.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.