Home / 2,592.47-3,890.67-1,900.89

Finding the Fourth Proportional to 2,592.47, 3,890.67 and 1,900.89

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Solution

The fourth proportional to 2,592.47, 3,890.67 and 1,900.89 is: 2,852.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,592.47 : 3,890.67 = 1,900.89 : x
  2. Step 2: Convert to fraction form
    2,592.47/3,890.67 = 1,900.89/x
  3. Step 3: Cross multiply
    2,592.47x = 3,890.67 × 1,900.89
  4. Step 4: Simplify right side
    2,592.47x = 7,395,735.70
  5. Step 5: Solve for x
    x = 7,395,735.70/2,592.47
  6. Step 6: Final answer
    x = 2,852.78

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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.