Home / 2,965.19-4,420.74-2,889.45

Finding the Fourth Proportional to 2,965.19, 4,420.74 and 2,889.45

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Solution

The fourth proportional to 2,965.19, 4,420.74 and 2,889.45 is: 4,307.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,965.19 : 4,420.74 = 2,889.45 : x
  2. Step 2: Convert to fraction form
    2,965.19/4,420.74 = 2,889.45/x
  3. Step 3: Cross multiply
    2,965.19x = 4,420.74 × 2,889.45
  4. Step 4: Simplify right side
    2,965.19x = 12,773,507.19
  5. Step 5: Solve for x
    x = 12,773,507.19/2,965.19
  6. Step 6: Final answer
    x = 4,307.83

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.