Home / 1,578.57-2,367.95-1,269.02

Finding the Fourth Proportional to 1,578.57, 2,367.95 and 1,269.02

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Solution

The fourth proportional to 1,578.57, 2,367.95 and 1,269.02 is: 1,903.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578.57 : 2,367.95 = 1,269.02 : x
  2. Step 2: Convert to fraction form
    1,578.57/2,367.95 = 1,269.02/x
  3. Step 3: Cross multiply
    1,578.57x = 2,367.95 × 1,269.02
  4. Step 4: Simplify right side
    1,578.57x = 3,004,957.72
  5. Step 5: Solve for x
    x = 3,004,957.72/1,578.57
  6. Step 6: Final answer
    x = 1,903.59

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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.