Home / 3,559.07-4,911.74-1,987.17

Finding the Fourth Proportional to 3,559.07, 4,911.74 and 1,987.17

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Solution

The fourth proportional to 3,559.07, 4,911.74 and 1,987.17 is: 2,742.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559.07 : 4,911.74 = 1,987.17 : x
  2. Step 2: Convert to fraction form
    3,559.07/4,911.74 = 1,987.17/x
  3. Step 3: Cross multiply
    3,559.07x = 4,911.74 × 1,987.17
  4. Step 4: Simplify right side
    3,559.07x = 9,760,441.47
  5. Step 5: Solve for x
    x = 9,760,441.47/3,559.07
  6. Step 6: Final answer
    x = 2,742.41

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.