Home / 1,806.50-2,493.38-1,021.01

Finding the Fourth Proportional to 1,806.50, 2,493.38 and 1,021.01

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Solution

The fourth proportional to 1,806.50, 2,493.38 and 1,021.01 is: 1,409.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806.50 : 2,493.38 = 1,021.01 : x
  2. Step 2: Convert to fraction form
    1,806.50/2,493.38 = 1,021.01/x
  3. Step 3: Cross multiply
    1,806.50x = 2,493.38 × 1,021.01
  4. Step 4: Simplify right side
    1,806.50x = 2,545,756.00
  5. Step 5: Solve for x
    x = 2,545,756.00/1,806.50
  6. Step 6: Final answer
    x = 1,409.22

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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.