Home / 1,825.12-2,721.27-1,792.32

Finding the Fourth Proportional to 1,825.12, 2,721.27 and 1,792.32

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Solution

The fourth proportional to 1,825.12, 2,721.27 and 1,792.32 is: 2,672.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825.12 : 2,721.27 = 1,792.32 : x
  2. Step 2: Convert to fraction form
    1,825.12/2,721.27 = 1,792.32/x
  3. Step 3: Cross multiply
    1,825.12x = 2,721.27 × 1,792.32
  4. Step 4: Simplify right side
    1,825.12x = 4,877,386.65
  5. Step 5: Solve for x
    x = 4,877,386.65/1,825.12
  6. Step 6: Final answer
    x = 2,672.36

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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.