Home / 2,612.36-3,605.04-1,433.45

Finding the Fourth Proportional to 2,612.36, 3,605.04 and 1,433.45

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Solution

The fourth proportional to 2,612.36, 3,605.04 and 1,433.45 is: 1,978.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,612.36 : 3,605.04 = 1,433.45 : x
  2. Step 2: Convert to fraction form
    2,612.36/3,605.04 = 1,433.45/x
  3. Step 3: Cross multiply
    2,612.36x = 3,605.04 × 1,433.45
  4. Step 4: Simplify right side
    2,612.36x = 5,167,626.56
  5. Step 5: Solve for x
    x = 5,167,626.56/2,612.36
  6. Step 6: Final answer
    x = 1,978.15

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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.