Home / 2,091.67-2,887.36-1,346.58

Finding the Fourth Proportional to 2,091.67, 2,887.36 and 1,346.58

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Solution

The fourth proportional to 2,091.67, 2,887.36 and 1,346.58 is: 1,858.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,091.67 : 2,887.36 = 1,346.58 : x
  2. Step 2: Convert to fraction form
    2,091.67/2,887.36 = 1,346.58/x
  3. Step 3: Cross multiply
    2,091.67x = 2,887.36 × 1,346.58
  4. Step 4: Simplify right side
    2,091.67x = 3,888,057.86
  5. Step 5: Solve for x
    x = 3,888,057.86/2,091.67
  6. Step 6: Final answer
    x = 1,858.83

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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.