Home / 1,934.58-2,894.68-1,155.02

Finding the Fourth Proportional to 1,934.58, 2,894.68 and 1,155.02

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Solution

The fourth proportional to 1,934.58, 2,894.68 and 1,155.02 is: 1,728.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934.58 : 2,894.68 = 1,155.02 : x
  2. Step 2: Convert to fraction form
    1,934.58/2,894.68 = 1,155.02/x
  3. Step 3: Cross multiply
    1,934.58x = 2,894.68 × 1,155.02
  4. Step 4: Simplify right side
    1,934.58x = 3,343,413.29
  5. Step 5: Solve for x
    x = 3,343,413.29/1,934.58
  6. Step 6: Final answer
    x = 1,728.24

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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.