Home / 3,395.36-5,091.60-1,054.76

Finding the Fourth Proportional to 3,395.36, 5,091.60 and 1,054.76

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Solution

The fourth proportional to 3,395.36, 5,091.60 and 1,054.76 is: 1,581.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,395.36 : 5,091.60 = 1,054.76 : x
  2. Step 2: Convert to fraction form
    3,395.36/5,091.60 = 1,054.76/x
  3. Step 3: Cross multiply
    3,395.36x = 5,091.60 × 1,054.76
  4. Step 4: Simplify right side
    3,395.36x = 5,370,416.02
  5. Step 5: Solve for x
    x = 5,370,416.02/3,395.36
  6. Step 6: Final answer
    x = 1,581.69

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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.