Home / 2,984.07-4,478.13-1,998

Finding the Fourth Proportional to 2,984.07, 4,478.13 and 1,998

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Solution

The fourth proportional to 2,984.07, 4,478.13 and 1,998 is: 2,998.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,984.07 : 4,478.13 = 1,998 : x
  2. Step 2: Convert to fraction form
    2,984.07/4,478.13 = 1,998/x
  3. Step 3: Cross multiply
    2,984.07x = 4,478.13 × 1,998
  4. Step 4: Simplify right side
    2,984.07x = 8,947,303.74
  5. Step 5: Solve for x
    x = 8,947,303.74/2,984.07
  6. Step 6: Final answer
    x = 2,998.36

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Why These Related Problems?

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