Home / 3,748.58-5,623.90-1,640.40

Finding the Fourth Proportional to 3,748.58, 5,623.90 and 1,640.40

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Solution

The fourth proportional to 3,748.58, 5,623.90 and 1,640.40 is: 2,461.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.58 : 5,623.90 = 1,640.40 : x
  2. Step 2: Convert to fraction form
    3,748.58/5,623.90 = 1,640.40/x
  3. Step 3: Cross multiply
    3,748.58x = 5,623.90 × 1,640.40
  4. Step 4: Simplify right side
    3,748.58x = 9,225,445.56
  5. Step 5: Solve for x
    x = 9,225,445.56/3,748.58
  6. Step 6: Final answer
    x = 2,461.05

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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.