Home / 1,806.02-2,491.75-1,009.23

Finding the Fourth Proportional to 1,806.02, 2,491.75 and 1,009.23

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Solution

The fourth proportional to 1,806.02, 2,491.75 and 1,009.23 is: 1,392.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806.02 : 2,491.75 = 1,009.23 : x
  2. Step 2: Convert to fraction form
    1,806.02/2,491.75 = 1,009.23/x
  3. Step 3: Cross multiply
    1,806.02x = 2,491.75 × 1,009.23
  4. Step 4: Simplify right side
    1,806.02x = 2,514,760.37
  5. Step 5: Solve for x
    x = 2,514,760.37/1,806.02
  6. Step 6: Final answer
    x = 1,392.43

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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.