Home / 3,317.36-4,977.66-1,370.12

Finding the Fourth Proportional to 3,317.36, 4,977.66 and 1,370.12

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Solution

The fourth proportional to 3,317.36, 4,977.66 and 1,370.12 is: 2,055.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317.36 : 4,977.66 = 1,370.12 : x
  2. Step 2: Convert to fraction form
    3,317.36/4,977.66 = 1,370.12/x
  3. Step 3: Cross multiply
    3,317.36x = 4,977.66 × 1,370.12
  4. Step 4: Simplify right side
    3,317.36x = 6,819,991.52
  5. Step 5: Solve for x
    x = 6,819,991.52/3,317.36
  6. Step 6: Final answer
    x = 2,055.85

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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.