Home / 3,720.51-5,581.70-2,627.01

Finding the Fourth Proportional to 3,720.51, 5,581.70 and 2,627.01

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Solution

The fourth proportional to 3,720.51, 5,581.70 and 2,627.01 is: 3,941.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720.51 : 5,581.70 = 2,627.01 : x
  2. Step 2: Convert to fraction form
    3,720.51/5,581.70 = 2,627.01/x
  3. Step 3: Cross multiply
    3,720.51x = 5,581.70 × 2,627.01
  4. Step 4: Simplify right side
    3,720.51x = 14,663,181.72
  5. Step 5: Solve for x
    x = 14,663,181.72/3,720.51
  6. Step 6: Final answer
    x = 3,941.18

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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.