Home / 1,418.09-2,126.83-444.07

Finding the Fourth Proportional to 1,418.09, 2,126.83 and 444.07

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Solution

The fourth proportional to 1,418.09, 2,126.83 and 444.07 is: 666.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418.09 : 2,126.83 = 444.07 : x
  2. Step 2: Convert to fraction form
    1,418.09/2,126.83 = 444.07/x
  3. Step 3: Cross multiply
    1,418.09x = 2,126.83 × 444.07
  4. Step 4: Simplify right side
    1,418.09x = 944,448.54
  5. Step 5: Solve for x
    x = 944,448.54/1,418.09
  6. Step 6: Final answer
    x = 666.00

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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.