Home / 1,976.23-2,946.99-1,816.66

Finding the Fourth Proportional to 1,976.23, 2,946.99 and 1,816.66

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Solution

The fourth proportional to 1,976.23, 2,946.99 and 1,816.66 is: 2,709.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976.23 : 2,946.99 = 1,816.66 : x
  2. Step 2: Convert to fraction form
    1,976.23/2,946.99 = 1,816.66/x
  3. Step 3: Cross multiply
    1,976.23x = 2,946.99 × 1,816.66
  4. Step 4: Simplify right side
    1,976.23x = 5,353,655.04
  5. Step 5: Solve for x
    x = 5,353,655.04/1,976.23
  6. Step 6: Final answer
    x = 2,709.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.