Home / 2,024.70-2,792.17-1,394.21

Finding the Fourth Proportional to 2,024.70, 2,792.17 and 1,394.21

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Solution

The fourth proportional to 2,024.70, 2,792.17 and 1,394.21 is: 1,922.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,024.70 : 2,792.17 = 1,394.21 : x
  2. Step 2: Convert to fraction form
    2,024.70/2,792.17 = 1,394.21/x
  3. Step 3: Cross multiply
    2,024.70x = 2,792.17 × 1,394.21
  4. Step 4: Simplify right side
    2,024.70x = 3,892,880.06
  5. Step 5: Solve for x
    x = 3,892,880.06/2,024.70
  6. Step 6: Final answer
    x = 1,922.70

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1.5x scale

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.