Home / 2,491.06-3,435.33-1,968.34

Finding the Fourth Proportional to 2,491.06, 3,435.33 and 1,968.34

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Solution

The fourth proportional to 2,491.06, 3,435.33 and 1,968.34 is: 2,714.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491.06 : 3,435.33 = 1,968.34 : x
  2. Step 2: Convert to fraction form
    2,491.06/3,435.33 = 1,968.34/x
  3. Step 3: Cross multiply
    2,491.06x = 3,435.33 × 1,968.34
  4. Step 4: Simplify right side
    2,491.06x = 6,761,897.45
  5. Step 5: Solve for x
    x = 6,761,897.45/2,491.06
  6. Step 6: Final answer
    x = 2,714.47

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1.5x scale

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.