Home / 1,629.17-2,445.38-899.09

Finding the Fourth Proportional to 1,629.17, 2,445.38 and 899.09

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Solution

The fourth proportional to 1,629.17, 2,445.38 and 899.09 is: 1,349.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.17 : 2,445.38 = 899.09 : x
  2. Step 2: Convert to fraction form
    1,629.17/2,445.38 = 899.09/x
  3. Step 3: Cross multiply
    1,629.17x = 2,445.38 × 899.09
  4. Step 4: Simplify right side
    1,629.17x = 2,198,599.98
  5. Step 5: Solve for x
    x = 2,198,599.98/1,629.17
  6. Step 6: Final answer
    x = 1,349.53

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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.