Home / 3,787.08-5,672.40-1,835.18

Finding the Fourth Proportional to 3,787.08, 5,672.40 and 1,835.18

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Solution

The fourth proportional to 3,787.08, 5,672.40 and 1,835.18 is: 2,748.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787.08 : 5,672.40 = 1,835.18 : x
  2. Step 2: Convert to fraction form
    3,787.08/5,672.40 = 1,835.18/x
  3. Step 3: Cross multiply
    3,787.08x = 5,672.40 × 1,835.18
  4. Step 4: Simplify right side
    3,787.08x = 10,409,875.03
  5. Step 5: Solve for x
    x = 10,409,875.03/3,787.08
  6. Step 6: Final answer
    x = 2,748.79

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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.