Home / 1,783.78-2,462.30-1,194.10

Finding the Fourth Proportional to 1,783.78, 2,462.30 and 1,194.10

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Solution

The fourth proportional to 1,783.78, 2,462.30 and 1,194.10 is: 1,648.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783.78 : 2,462.30 = 1,194.10 : x
  2. Step 2: Convert to fraction form
    1,783.78/2,462.30 = 1,194.10/x
  3. Step 3: Cross multiply
    1,783.78x = 2,462.30 × 1,194.10
  4. Step 4: Simplify right side
    1,783.78x = 2,940,232.43
  5. Step 5: Solve for x
    x = 2,940,232.43/1,783.78
  6. Step 6: Final answer
    x = 1,648.32

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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.