Home / 4,283.58-6,431.50-2,438.40

Finding the Fourth Proportional to 4,283.58, 6,431.50 and 2,438.40

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Solution

The fourth proportional to 4,283.58, 6,431.50 and 2,438.40 is: 3,661.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,283.58 : 6,431.50 = 2,438.40 : x
  2. Step 2: Convert to fraction form
    4,283.58/6,431.50 = 2,438.40/x
  3. Step 3: Cross multiply
    4,283.58x = 6,431.50 × 2,438.40
  4. Step 4: Simplify right side
    4,283.58x = 15,682,569.60
  5. Step 5: Solve for x
    x = 15,682,569.60/4,283.58
  6. Step 6: Final answer
    x = 3,661.09

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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.