Home / 2,619.61-3,615.21-1,500.89

Finding the Fourth Proportional to 2,619.61, 3,615.21 and 1,500.89

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Solution

The fourth proportional to 2,619.61, 3,615.21 and 1,500.89 is: 2,071.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619.61 : 3,615.21 = 1,500.89 : x
  2. Step 2: Convert to fraction form
    2,619.61/3,615.21 = 1,500.89/x
  3. Step 3: Cross multiply
    2,619.61x = 3,615.21 × 1,500.89
  4. Step 4: Simplify right side
    2,619.61x = 5,426,032.54
  5. Step 5: Solve for x
    x = 5,426,032.54/2,619.61
  6. Step 6: Final answer
    x = 2,071.32

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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.