Home / 4,071.40-6,106.75-1,880.15

Finding the Fourth Proportional to 4,071.40, 6,106.75 and 1,880.15

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Solution

The fourth proportional to 4,071.40, 6,106.75 and 1,880.15 is: 2,820.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,071.40 : 6,106.75 = 1,880.15 : x
  2. Step 2: Convert to fraction form
    4,071.40/6,106.75 = 1,880.15/x
  3. Step 3: Cross multiply
    4,071.40x = 6,106.75 × 1,880.15
  4. Step 4: Simplify right side
    4,071.40x = 11,481,570.78
  5. Step 5: Solve for x
    x = 11,481,570.78/4,071.40
  6. Step 6: Final answer
    x = 2,820.06

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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.