Home / 2,890.45-4,329.60-2,343.70

Finding the Fourth Proportional to 2,890.45, 4,329.60 and 2,343.70

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Solution

The fourth proportional to 2,890.45, 4,329.60 and 2,343.70 is: 3,510.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890.45 : 4,329.60 = 2,343.70 : x
  2. Step 2: Convert to fraction form
    2,890.45/4,329.60 = 2,343.70/x
  3. Step 3: Cross multiply
    2,890.45x = 4,329.60 × 2,343.70
  4. Step 4: Simplify right side
    2,890.45x = 10,147,283.52
  5. Step 5: Solve for x
    x = 10,147,283.52/2,890.45
  6. Step 6: Final answer
    x = 3,510.62

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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.