Home / 3,890.14-5,835.55-1,669.08

Finding the Fourth Proportional to 3,890.14, 5,835.55 and 1,669.08

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Solution

The fourth proportional to 3,890.14, 5,835.55 and 1,669.08 is: 2,503.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890.14 : 5,835.55 = 1,669.08 : x
  2. Step 2: Convert to fraction form
    3,890.14/5,835.55 = 1,669.08/x
  3. Step 3: Cross multiply
    3,890.14x = 5,835.55 × 1,669.08
  4. Step 4: Simplify right side
    3,890.14x = 9,739,962.27
  5. Step 5: Solve for x
    x = 9,739,962.27/3,890.14
  6. Step 6: Final answer
    x = 2,503.76

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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.