Home / 2,939.88-4,056-1,761.32

Finding the Fourth Proportional to 2,939.88, 4,056 and 1,761.32

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Solution

The fourth proportional to 2,939.88, 4,056 and 1,761.32 is: 2,430.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.88 : 4,056 = 1,761.32 : x
  2. Step 2: Convert to fraction form
    2,939.88/4,056 = 1,761.32/x
  3. Step 3: Cross multiply
    2,939.88x = 4,056 × 1,761.32
  4. Step 4: Simplify right side
    2,939.88x = 7,143,913.92
  5. Step 5: Solve for x
    x = 7,143,913.92/2,939.88
  6. Step 6: Final answer
    x = 2,430.00

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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.