Home / 1,868.40-2,801.64-1,003.44

Finding the Fourth Proportional to 1,868.40, 2,801.64 and 1,003.44

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Solution

The fourth proportional to 1,868.40, 2,801.64 and 1,003.44 is: 1,504.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868.40 : 2,801.64 = 1,003.44 : x
  2. Step 2: Convert to fraction form
    1,868.40/2,801.64 = 1,003.44/x
  3. Step 3: Cross multiply
    1,868.40x = 2,801.64 × 1,003.44
  4. Step 4: Simplify right side
    1,868.40x = 2,811,277.64
  5. Step 5: Solve for x
    x = 2,811,277.64/1,868.40
  6. Step 6: Final answer
    x = 1,504.64

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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.