Home / 1,629.42-2,445.75-899.34

Finding the Fourth Proportional to 1,629.42, 2,445.75 and 899.34

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Solution

The fourth proportional to 1,629.42, 2,445.75 and 899.34 is: 1,349.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.42 : 2,445.75 = 899.34 : x
  2. Step 2: Convert to fraction form
    1,629.42/2,445.75 = 899.34/x
  3. Step 3: Cross multiply
    1,629.42x = 2,445.75 × 899.34
  4. Step 4: Simplify right side
    1,629.42x = 2,199,548.58
  5. Step 5: Solve for x
    x = 2,199,548.58/1,629.42
  6. Step 6: Final answer
    x = 1,349.90

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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.