Home / 3,621.90-4,992.76-2,834.58

Finding the Fourth Proportional to 3,621.90, 4,992.76 and 2,834.58

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Solution

The fourth proportional to 3,621.90, 4,992.76 and 2,834.58 is: 3,907.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.90 : 4,992.76 = 2,834.58 : x
  2. Step 2: Convert to fraction form
    3,621.90/4,992.76 = 2,834.58/x
  3. Step 3: Cross multiply
    3,621.90x = 4,992.76 × 2,834.58
  4. Step 4: Simplify right side
    3,621.90x = 14,152,377.64
  5. Step 5: Solve for x
    x = 14,152,377.64/3,621.90
  6. Step 6: Final answer
    x = 3,907.45

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1.5x scale

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.