Home / 1,575.96-2,175.57-1,052.34

Finding the Fourth Proportional to 1,575.96, 2,175.57 and 1,052.34

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Solution

The fourth proportional to 1,575.96, 2,175.57 and 1,052.34 is: 1,452.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575.96 : 2,175.57 = 1,052.34 : x
  2. Step 2: Convert to fraction form
    1,575.96/2,175.57 = 1,052.34/x
  3. Step 3: Cross multiply
    1,575.96x = 2,175.57 × 1,052.34
  4. Step 4: Simplify right side
    1,575.96x = 2,289,439.33
  5. Step 5: Solve for x
    x = 2,289,439.33/1,575.96
  6. Step 6: Final answer
    x = 1,452.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.