Home / 1,194.09-1,643.36-1,010.00

Finding the Fourth Proportional to 1,194.09, 1,643.36 and 1,010.00

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Solution

The fourth proportional to 1,194.09, 1,643.36 and 1,010.00 is: 1,390.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194.09 : 1,643.36 = 1,010.00 : x
  2. Step 2: Convert to fraction form
    1,194.09/1,643.36 = 1,010.00/x
  3. Step 3: Cross multiply
    1,194.09x = 1,643.36 × 1,010.00
  4. Step 4: Simplify right side
    1,194.09x = 1,659,780.33
  5. Step 5: Solve for x
    x = 1,659,780.33/1,194.09
  6. Step 6: Final answer
    x = 1,390.00

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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.