Home / 3,881.06-5,820.33-1,689.14

Finding the Fourth Proportional to 3,881.06, 5,820.33 and 1,689.14

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Solution

The fourth proportional to 3,881.06, 5,820.33 and 1,689.14 is: 2,533.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881.06 : 5,820.33 = 1,689.14 : x
  2. Step 2: Convert to fraction form
    3,881.06/5,820.33 = 1,689.14/x
  3. Step 3: Cross multiply
    3,881.06x = 5,820.33 × 1,689.14
  4. Step 4: Simplify right side
    3,881.06x = 9,831,352.22
  5. Step 5: Solve for x
    x = 9,831,352.22/3,881.06
  6. Step 6: Final answer
    x = 2,533.16

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1.5x scale

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.