Home / 3,499.06-4,828.67-1,986.91

Finding the Fourth Proportional to 3,499.06, 4,828.67 and 1,986.91

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Solution

The fourth proportional to 3,499.06, 4,828.67 and 1,986.91 is: 2,741.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,499.06 : 4,828.67 = 1,986.91 : x
  2. Step 2: Convert to fraction form
    3,499.06/4,828.67 = 1,986.91/x
  3. Step 3: Cross multiply
    3,499.06x = 4,828.67 × 1,986.91
  4. Step 4: Simplify right side
    3,499.06x = 9,594,098.63
  5. Step 5: Solve for x
    x = 9,594,098.63/3,499.06
  6. Step 6: Final answer
    x = 2,741.91

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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.