Home / 3,482.86-4,806.39-1,911.02

Finding the Fourth Proportional to 3,482.86, 4,806.39 and 1,911.02

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Solution

The fourth proportional to 3,482.86, 4,806.39 and 1,911.02 is: 2,637.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,482.86 : 4,806.39 = 1,911.02 : x
  2. Step 2: Convert to fraction form
    3,482.86/4,806.39 = 1,911.02/x
  3. Step 3: Cross multiply
    3,482.86x = 4,806.39 × 1,911.02
  4. Step 4: Simplify right side
    3,482.86x = 9,185,107.42
  5. Step 5: Solve for x
    x = 9,185,107.42/3,482.86
  6. Step 6: Final answer
    x = 2,637.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.