Home / 1,626.78-2,438.63-1,477.62

Finding the Fourth Proportional to 1,626.78, 2,438.63 and 1,477.62

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Solution

The fourth proportional to 1,626.78, 2,438.63 and 1,477.62 is: 2,215.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,626.78 : 2,438.63 = 1,477.62 : x
  2. Step 2: Convert to fraction form
    1,626.78/2,438.63 = 1,477.62/x
  3. Step 3: Cross multiply
    1,626.78x = 2,438.63 × 1,477.62
  4. Step 4: Simplify right side
    1,626.78x = 3,603,372.15
  5. Step 5: Solve for x
    x = 3,603,372.15/1,626.78
  6. Step 6: Final answer
    x = 2,215.03

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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.