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Finding the Fourth Proportional to 2,959.86, 4,437.73 and 1,398.99

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Solution

The fourth proportional to 2,959.86, 4,437.73 and 1,398.99 is: 2,097.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,959.86 : 4,437.73 = 1,398.99 : x
  2. Step 2: Convert to fraction form
    2,959.86/4,437.73 = 1,398.99/x
  3. Step 3: Cross multiply
    2,959.86x = 4,437.73 × 1,398.99
  4. Step 4: Simplify right side
    2,959.86x = 6,208,339.89
  5. Step 5: Solve for x
    x = 6,208,339.89/2,959.86
  6. Step 6: Final answer
    x = 2,097.51

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.