Home / 1,868.87-2,799.65-1,374.36

Finding the Fourth Proportional to 1,868.87, 2,799.65 and 1,374.36

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Solution

The fourth proportional to 1,868.87, 2,799.65 and 1,374.36 is: 2,058.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868.87 : 2,799.65 = 1,374.36 : x
  2. Step 2: Convert to fraction form
    1,868.87/2,799.65 = 1,374.36/x
  3. Step 3: Cross multiply
    1,868.87x = 2,799.65 × 1,374.36
  4. Step 4: Simplify right side
    1,868.87x = 3,847,730.41
  5. Step 5: Solve for x
    x = 3,847,730.41/1,868.87
  6. Step 6: Final answer
    x = 2,058.86

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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.