Home / 2,349.08-3,238.79-1,719.09

Finding the Fourth Proportional to 2,349.08, 3,238.79 and 1,719.09

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Solution

The fourth proportional to 2,349.08, 3,238.79 and 1,719.09 is: 2,370.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,349.08 : 3,238.79 = 1,719.09 : x
  2. Step 2: Convert to fraction form
    2,349.08/3,238.79 = 1,719.09/x
  3. Step 3: Cross multiply
    2,349.08x = 3,238.79 × 1,719.09
  4. Step 4: Simplify right side
    2,349.08x = 5,567,762.91
  5. Step 5: Solve for x
    x = 5,567,762.91/2,349.08
  6. Step 6: Final answer
    x = 2,370.19

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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.