Home / 2,984.26-4,118.61-1,805.98

Finding the Fourth Proportional to 2,984.26, 4,118.61 and 1,805.98

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Solution

The fourth proportional to 2,984.26, 4,118.61 and 1,805.98 is: 2,492.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,984.26 : 4,118.61 = 1,805.98 : x
  2. Step 2: Convert to fraction form
    2,984.26/4,118.61 = 1,805.98/x
  3. Step 3: Cross multiply
    2,984.26x = 4,118.61 × 1,805.98
  4. Step 4: Simplify right side
    2,984.26x = 7,438,127.29
  5. Step 5: Solve for x
    x = 7,438,127.29/2,984.26
  6. Step 6: Final answer
    x = 2,492.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.