Home / 2,238.36-3,342.45-1,828.31

Finding the Fourth Proportional to 2,238.36, 3,342.45 and 1,828.31

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Solution

The fourth proportional to 2,238.36, 3,342.45 and 1,828.31 is: 2,730.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238.36 : 3,342.45 = 1,828.31 : x
  2. Step 2: Convert to fraction form
    2,238.36/3,342.45 = 1,828.31/x
  3. Step 3: Cross multiply
    2,238.36x = 3,342.45 × 1,828.31
  4. Step 4: Simplify right side
    2,238.36x = 6,111,018.05
  5. Step 5: Solve for x
    x = 6,111,018.05/2,238.36
  6. Step 6: Final answer
    x = 2,730.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.