Home / 1,629.08-2,445.15-849.64

Finding the Fourth Proportional to 1,629.08, 2,445.15 and 849.64

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Solution

The fourth proportional to 1,629.08, 2,445.15 and 849.64 is: 1,275.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.08 : 2,445.15 = 849.64 : x
  2. Step 2: Convert to fraction form
    1,629.08/2,445.15 = 849.64/x
  3. Step 3: Cross multiply
    1,629.08x = 2,445.15 × 849.64
  4. Step 4: Simplify right side
    1,629.08x = 2,077,498.90
  5. Step 5: Solve for x
    x = 2,077,498.90/1,629.08
  6. Step 6: Final answer
    x = 1,275.26

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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.