Home / 3,746.90-5,623.17-1,409.21

Finding the Fourth Proportional to 3,746.90, 5,623.17 and 1,409.21

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Solution

The fourth proportional to 3,746.90, 5,623.17 and 1,409.21 is: 2,114.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746.90 : 5,623.17 = 1,409.21 : x
  2. Step 2: Convert to fraction form
    3,746.90/5,623.17 = 1,409.21/x
  3. Step 3: Cross multiply
    3,746.90x = 5,623.17 × 1,409.21
  4. Step 4: Simplify right side
    3,746.90x = 7,924,241.45
  5. Step 5: Solve for x
    x = 7,924,241.45/3,746.90
  6. Step 6: Final answer
    x = 2,114.88

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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.