Home / 2,971.90-4,099.93-1,792.32

Finding the Fourth Proportional to 2,971.90, 4,099.93 and 1,792.32

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Solution

The fourth proportional to 2,971.90, 4,099.93 and 1,792.32 is: 2,472.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971.90 : 4,099.93 = 1,792.32 : x
  2. Step 2: Convert to fraction form
    2,971.90/4,099.93 = 1,792.32/x
  3. Step 3: Cross multiply
    2,971.90x = 4,099.93 × 1,792.32
  4. Step 4: Simplify right side
    2,971.90x = 7,348,386.54
  5. Step 5: Solve for x
    x = 7,348,386.54/2,971.90
  6. Step 6: Final answer
    x = 2,472.62

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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.