Home / 3,792.84-5,690.40-1,453.92

Finding the Fourth Proportional to 3,792.84, 5,690.40 and 1,453.92

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Solution

The fourth proportional to 3,792.84, 5,690.40 and 1,453.92 is: 2,181.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,792.84 : 5,690.40 = 1,453.92 : x
  2. Step 2: Convert to fraction form
    3,792.84/5,690.40 = 1,453.92/x
  3. Step 3: Cross multiply
    3,792.84x = 5,690.40 × 1,453.92
  4. Step 4: Simplify right side
    3,792.84x = 8,273,386.37
  5. Step 5: Solve for x
    x = 8,273,386.37/3,792.84
  6. Step 6: Final answer
    x = 2,181.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.