Home / 2,415.27-3,333.51-1,420.83

Finding the Fourth Proportional to 2,415.27, 3,333.51 and 1,420.83

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Solution

The fourth proportional to 2,415.27, 3,333.51 and 1,420.83 is: 1,961.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,415.27 : 3,333.51 = 1,420.83 : x
  2. Step 2: Convert to fraction form
    2,415.27/3,333.51 = 1,420.83/x
  3. Step 3: Cross multiply
    2,415.27x = 3,333.51 × 1,420.83
  4. Step 4: Simplify right side
    2,415.27x = 4,736,351.01
  5. Step 5: Solve for x
    x = 4,736,351.01/2,415.27
  6. Step 6: Final answer
    x = 1,961.00

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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.