Home / 1,818.09-2,723.99-1,430.57

Finding the Fourth Proportional to 1,818.09, 2,723.99 and 1,430.57

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Solution

The fourth proportional to 1,818.09, 2,723.99 and 1,430.57 is: 2,143.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818.09 : 2,723.99 = 1,430.57 : x
  2. Step 2: Convert to fraction form
    1,818.09/2,723.99 = 1,430.57/x
  3. Step 3: Cross multiply
    1,818.09x = 2,723.99 × 1,430.57
  4. Step 4: Simplify right side
    1,818.09x = 3,896,837.60
  5. Step 5: Solve for x
    x = 3,896,837.60/1,818.09
  6. Step 6: Final answer
    x = 2,143.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.