Home / 3,873.40-5,810.99-1,374.45

Finding the Fourth Proportional to 3,873.40, 5,810.99 and 1,374.45

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Solution

The fourth proportional to 3,873.40, 5,810.99 and 1,374.45 is: 2,061.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,873.40 : 5,810.99 = 1,374.45 : x
  2. Step 2: Convert to fraction form
    3,873.40/5,810.99 = 1,374.45/x
  3. Step 3: Cross multiply
    3,873.40x = 5,810.99 × 1,374.45
  4. Step 4: Simplify right side
    3,873.40x = 7,986,886.54
  5. Step 5: Solve for x
    x = 7,986,886.54/3,873.40
  6. Step 6: Final answer
    x = 2,061.98

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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.