Home / 1,630.99-2,433.79-1,567.81

Finding the Fourth Proportional to 1,630.99, 2,433.79 and 1,567.81

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Solution

The fourth proportional to 1,630.99, 2,433.79 and 1,567.81 is: 2,339.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630.99 : 2,433.79 = 1,567.81 : x
  2. Step 2: Convert to fraction form
    1,630.99/2,433.79 = 1,567.81/x
  3. Step 3: Cross multiply
    1,630.99x = 2,433.79 × 1,567.81
  4. Step 4: Simplify right side
    1,630.99x = 3,815,720.30
  5. Step 5: Solve for x
    x = 3,815,720.30/1,630.99
  6. Step 6: Final answer
    x = 2,339.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.