Home / 2,792.32-3,851.28-2,046

Finding the Fourth Proportional to 2,792.32, 3,851.28 and 2,046

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Solution

The fourth proportional to 2,792.32, 3,851.28 and 2,046 is: 2,821.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792.32 : 3,851.28 = 2,046 : x
  2. Step 2: Convert to fraction form
    2,792.32/3,851.28 = 2,046/x
  3. Step 3: Cross multiply
    2,792.32x = 3,851.28 × 2,046
  4. Step 4: Simplify right side
    2,792.32x = 7,879,718.88
  5. Step 5: Solve for x
    x = 7,879,718.88/2,792.32
  6. Step 6: Final answer
    x = 2,821.93

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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.