Home / 2,486.46-3,429.75-1,491.06

Finding the Fourth Proportional to 2,486.46, 3,429.75 and 1,491.06

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Solution

The fourth proportional to 2,486.46, 3,429.75 and 1,491.06 is: 2,056.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486.46 : 3,429.75 = 1,491.06 : x
  2. Step 2: Convert to fraction form
    2,486.46/3,429.75 = 1,491.06/x
  3. Step 3: Cross multiply
    2,486.46x = 3,429.75 × 1,491.06
  4. Step 4: Simplify right side
    2,486.46x = 5,113,963.04
  5. Step 5: Solve for x
    x = 5,113,963.04/2,486.46
  6. Step 6: Final answer
    x = 2,056.72

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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.