Home / 1,911.08-2,867.72-1,033.60

Finding the Fourth Proportional to 1,911.08, 2,867.72 and 1,033.60

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Solution

The fourth proportional to 1,911.08, 2,867.72 and 1,033.60 is: 1,550.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911.08 : 2,867.72 = 1,033.60 : x
  2. Step 2: Convert to fraction form
    1,911.08/2,867.72 = 1,033.60/x
  3. Step 3: Cross multiply
    1,911.08x = 2,867.72 × 1,033.60
  4. Step 4: Simplify right side
    1,911.08x = 2,964,055.89
  5. Step 5: Solve for x
    x = 2,964,055.89/1,911.08
  6. Step 6: Final answer
    x = 1,550.98

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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.