Home / 1,868.14-2,798.88-1,137.34

Finding the Fourth Proportional to 1,868.14, 2,798.88 and 1,137.34

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Solution

The fourth proportional to 1,868.14, 2,798.88 and 1,137.34 is: 1,703.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868.14 : 2,798.88 = 1,137.34 : x
  2. Step 2: Convert to fraction form
    1,868.14/2,798.88 = 1,137.34/x
  3. Step 3: Cross multiply
    1,868.14x = 2,798.88 × 1,137.34
  4. Step 4: Simplify right side
    1,868.14x = 3,183,278.18
  5. Step 5: Solve for x
    x = 3,183,278.18/1,868.14
  6. Step 6: Final answer
    x = 1,703.98

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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.