Home / 3,111.98-4,668.83-1,357.14

Finding the Fourth Proportional to 3,111.98, 4,668.83 and 1,357.14

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Solution

The fourth proportional to 3,111.98, 4,668.83 and 1,357.14 is: 2,036.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111.98 : 4,668.83 = 1,357.14 : x
  2. Step 2: Convert to fraction form
    3,111.98/4,668.83 = 1,357.14/x
  3. Step 3: Cross multiply
    3,111.98x = 4,668.83 × 1,357.14
  4. Step 4: Simplify right side
    3,111.98x = 6,336,232.60
  5. Step 5: Solve for x
    x = 6,336,232.60/3,111.98
  6. Step 6: Final answer
    x = 2,036.08

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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.