Home / 2,354.86-3,533.30-1,122.28

Finding the Fourth Proportional to 2,354.86, 3,533.30 and 1,122.28

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Solution

The fourth proportional to 2,354.86, 3,533.30 and 1,122.28 is: 1,683.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,354.86 : 3,533.30 = 1,122.28 : x
  2. Step 2: Convert to fraction form
    2,354.86/3,533.30 = 1,122.28/x
  3. Step 3: Cross multiply
    2,354.86x = 3,533.30 × 1,122.28
  4. Step 4: Simplify right side
    2,354.86x = 3,965,351.92
  5. Step 5: Solve for x
    x = 3,965,351.92/2,354.86
  6. Step 6: Final answer
    x = 1,683.90

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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.