Home / 3,621.79-4,998.23-2,834.47

Finding the Fourth Proportional to 3,621.79, 4,998.23 and 2,834.47

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Solution

The fourth proportional to 3,621.79, 4,998.23 and 2,834.47 is: 3,911.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.79 : 4,998.23 = 2,834.47 : x
  2. Step 2: Convert to fraction form
    3,621.79/4,998.23 = 2,834.47/x
  3. Step 3: Cross multiply
    3,621.79x = 4,998.23 × 2,834.47
  4. Step 4: Simplify right side
    3,621.79x = 14,167,332.99
  5. Step 5: Solve for x
    x = 14,167,332.99/3,621.79
  6. Step 6: Final answer
    x = 3,911.69

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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.