Home / 3,068.16-4,603.32-2,143.28

Finding the Fourth Proportional to 3,068.16, 4,603.32 and 2,143.28

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Solution

The fourth proportional to 3,068.16, 4,603.32 and 2,143.28 is: 3,215.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,068.16 : 4,603.32 = 2,143.28 : x
  2. Step 2: Convert to fraction form
    3,068.16/4,603.32 = 2,143.28/x
  3. Step 3: Cross multiply
    3,068.16x = 4,603.32 × 2,143.28
  4. Step 4: Simplify right side
    3,068.16x = 9,866,203.69
  5. Step 5: Solve for x
    x = 9,866,203.69/3,068.16
  6. Step 6: Final answer
    x = 3,215.67

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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.