Home / 1,977.69-2,953.70-1,792.23

Finding the Fourth Proportional to 1,977.69, 2,953.70 and 1,792.23

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Solution

The fourth proportional to 1,977.69, 2,953.70 and 1,792.23 is: 2,676.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977.69 : 2,953.70 = 1,792.23 : x
  2. Step 2: Convert to fraction form
    1,977.69/2,953.70 = 1,792.23/x
  3. Step 3: Cross multiply
    1,977.69x = 2,953.70 × 1,792.23
  4. Step 4: Simplify right side
    1,977.69x = 5,293,696.43
  5. Step 5: Solve for x
    x = 5,293,696.43/1,977.69
  6. Step 6: Final answer
    x = 2,676.70

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1.5x scale

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.