Home / 2,174.42-3,263.44-1,187.48

Finding the Fourth Proportional to 2,174.42, 3,263.44 and 1,187.48

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Solution

The fourth proportional to 2,174.42, 3,263.44 and 1,187.48 is: 1,782.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,174.42 : 3,263.44 = 1,187.48 : x
  2. Step 2: Convert to fraction form
    2,174.42/3,263.44 = 1,187.48/x
  3. Step 3: Cross multiply
    2,174.42x = 3,263.44 × 1,187.48
  4. Step 4: Simplify right side
    2,174.42x = 3,875,269.73
  5. Step 5: Solve for x
    x = 3,875,269.73/2,174.42
  6. Step 6: Final answer
    x = 1,782.21

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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.