Home / 1,544.22-2,131.03-845.66

Finding the Fourth Proportional to 1,544.22, 2,131.03 and 845.66

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Solution

The fourth proportional to 1,544.22, 2,131.03 and 845.66 is: 1,167.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,544.22 : 2,131.03 = 845.66 : x
  2. Step 2: Convert to fraction form
    1,544.22/2,131.03 = 845.66/x
  3. Step 3: Cross multiply
    1,544.22x = 2,131.03 × 845.66
  4. Step 4: Simplify right side
    1,544.22x = 1,802,126.83
  5. Step 5: Solve for x
    x = 1,802,126.83/1,544.22
  6. Step 6: Final answer
    x = 1,167.01

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1.5x scale

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.