Home / 3,146.84-4,343.03-1,820.29

Finding the Fourth Proportional to 3,146.84, 4,343.03 and 1,820.29

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Solution

The fourth proportional to 3,146.84, 4,343.03 and 1,820.29 is: 2,512.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.84 : 4,343.03 = 1,820.29 : x
  2. Step 2: Convert to fraction form
    3,146.84/4,343.03 = 1,820.29/x
  3. Step 3: Cross multiply
    3,146.84x = 4,343.03 × 1,820.29
  4. Step 4: Simplify right side
    3,146.84x = 7,905,579.33
  5. Step 5: Solve for x
    x = 7,905,579.33/3,146.84
  6. Step 6: Final answer
    x = 2,512.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.