Home / 3,408.49-5,112.73-1,068.67

Finding the Fourth Proportional to 3,408.49, 5,112.73 and 1,068.67

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Solution

The fourth proportional to 3,408.49, 5,112.73 and 1,068.67 is: 1,603.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408.49 : 5,112.73 = 1,068.67 : x
  2. Step 2: Convert to fraction form
    3,408.49/5,112.73 = 1,068.67/x
  3. Step 3: Cross multiply
    3,408.49x = 5,112.73 × 1,068.67
  4. Step 4: Simplify right side
    3,408.49x = 5,463,831.28
  5. Step 5: Solve for x
    x = 5,463,831.28/3,408.49
  6. Step 6: Final answer
    x = 1,603.01

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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.