Home / 3,900.09-5,847.58-1,558.65

Finding the Fourth Proportional to 3,900.09, 5,847.58 and 1,558.65

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Solution

The fourth proportional to 3,900.09, 5,847.58 and 1,558.65 is: 2,336.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,900.09 : 5,847.58 = 1,558.65 : x
  2. Step 2: Convert to fraction form
    3,900.09/5,847.58 = 1,558.65/x
  3. Step 3: Cross multiply
    3,900.09x = 5,847.58 × 1,558.65
  4. Step 4: Simplify right side
    3,900.09x = 9,114,330.57
  5. Step 5: Solve for x
    x = 9,114,330.57/3,900.09
  6. Step 6: Final answer
    x = 2,336.95

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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.