Home / 3,334.36-5,001.72-1,386.76

Finding the Fourth Proportional to 3,334.36, 5,001.72 and 1,386.76

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Solution

The fourth proportional to 3,334.36, 5,001.72 and 1,386.76 is: 2,080.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,334.36 : 5,001.72 = 1,386.76 : x
  2. Step 2: Convert to fraction form
    3,334.36/5,001.72 = 1,386.76/x
  3. Step 3: Cross multiply
    3,334.36x = 5,001.72 × 1,386.76
  4. Step 4: Simplify right side
    3,334.36x = 6,936,185.23
  5. Step 5: Solve for x
    x = 6,936,185.23/3,334.36
  6. Step 6: Final answer
    x = 2,080.21

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1.5x scale

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.