Home / 2,289.87-3,432.38-1,193.13

Finding the Fourth Proportional to 2,289.87, 3,432.38 and 1,193.13

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Solution

The fourth proportional to 2,289.87, 3,432.38 and 1,193.13 is: 1,788.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289.87 : 3,432.38 = 1,193.13 : x
  2. Step 2: Convert to fraction form
    2,289.87/3,432.38 = 1,193.13/x
  3. Step 3: Cross multiply
    2,289.87x = 3,432.38 × 1,193.13
  4. Step 4: Simplify right side
    2,289.87x = 4,095,269.58
  5. Step 5: Solve for x
    x = 4,095,269.58/2,289.87
  6. Step 6: Final answer
    x = 1,788.43

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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.