Home / 1,920.01-2,651.43-1,816.47

Finding the Fourth Proportional to 1,920.01, 2,651.43 and 1,816.47

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Solution

The fourth proportional to 1,920.01, 2,651.43 and 1,816.47 is: 2,508.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920.01 : 2,651.43 = 1,816.47 : x
  2. Step 2: Convert to fraction form
    1,920.01/2,651.43 = 1,816.47/x
  3. Step 3: Cross multiply
    1,920.01x = 2,651.43 × 1,816.47
  4. Step 4: Simplify right side
    1,920.01x = 4,816,243.05
  5. Step 5: Solve for x
    x = 4,816,243.05/1,920.01
  6. Step 6: Final answer
    x = 2,508.45

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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.