Home / 1,325.70-1,829.73-1,104.42

Finding the Fourth Proportional to 1,325.70, 1,829.73 and 1,104.42

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Solution

The fourth proportional to 1,325.70, 1,829.73 and 1,104.42 is: 1,524.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325.70 : 1,829.73 = 1,104.42 : x
  2. Step 2: Convert to fraction form
    1,325.70/1,829.73 = 1,104.42/x
  3. Step 3: Cross multiply
    1,325.70x = 1,829.73 × 1,104.42
  4. Step 4: Simplify right side
    1,325.70x = 2,020,790.41
  5. Step 5: Solve for x
    x = 2,020,790.41/1,325.70
  6. Step 6: Final answer
    x = 1,524.32

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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.