Home / 1,880.36-2,593.68-1,133.78

Finding the Fourth Proportional to 1,880.36, 2,593.68 and 1,133.78

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Solution

The fourth proportional to 1,880.36, 2,593.68 and 1,133.78 is: 1,563.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,880.36 : 2,593.68 = 1,133.78 : x
  2. Step 2: Convert to fraction form
    1,880.36/2,593.68 = 1,133.78/x
  3. Step 3: Cross multiply
    1,880.36x = 2,593.68 × 1,133.78
  4. Step 4: Simplify right side
    1,880.36x = 2,940,662.51
  5. Step 5: Solve for x
    x = 2,940,662.51/1,880.36
  6. Step 6: Final answer
    x = 1,563.88

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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.