Home / 3,143.03-4,337.19-1,817.15

Finding the Fourth Proportional to 3,143.03, 4,337.19 and 1,817.15

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Solution

The fourth proportional to 3,143.03, 4,337.19 and 1,817.15 is: 2,507.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.03 : 4,337.19 = 1,817.15 : x
  2. Step 2: Convert to fraction form
    3,143.03/4,337.19 = 1,817.15/x
  3. Step 3: Cross multiply
    3,143.03x = 4,337.19 × 1,817.15
  4. Step 4: Simplify right side
    3,143.03x = 7,881,303.12
  5. Step 5: Solve for x
    x = 7,881,303.12/3,143.03
  6. Step 6: Final answer
    x = 2,507.55

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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.