Home / 3,639.42-5,459.85-1,174.86

Finding the Fourth Proportional to 3,639.42, 5,459.85 and 1,174.86

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Solution

The fourth proportional to 3,639.42, 5,459.85 and 1,174.86 is: 1,762.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.42 : 5,459.85 = 1,174.86 : x
  2. Step 2: Convert to fraction form
    3,639.42/5,459.85 = 1,174.86/x
  3. Step 3: Cross multiply
    3,639.42x = 5,459.85 × 1,174.86
  4. Step 4: Simplify right side
    3,639.42x = 6,414,559.37
  5. Step 5: Solve for x
    x = 6,414,559.37/3,639.42
  6. Step 6: Final answer
    x = 1,762.52

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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.