Home / 3,172.51-4,756.03-1,226.08

Finding the Fourth Proportional to 3,172.51, 4,756.03 and 1,226.08

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Solution

The fourth proportional to 3,172.51, 4,756.03 and 1,226.08 is: 1,838.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172.51 : 4,756.03 = 1,226.08 : x
  2. Step 2: Convert to fraction form
    3,172.51/4,756.03 = 1,226.08/x
  3. Step 3: Cross multiply
    3,172.51x = 4,756.03 × 1,226.08
  4. Step 4: Simplify right side
    3,172.51x = 5,831,258.31
  5. Step 5: Solve for x
    x = 5,831,258.31/3,172.51
  6. Step 6: Final answer
    x = 1,838.06

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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.