Home / 3,338.37-5,007.14-1,390.32

Finding the Fourth Proportional to 3,338.37, 5,007.14 and 1,390.32

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Solution

The fourth proportional to 3,338.37, 5,007.14 and 1,390.32 is: 2,085.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,338.37 : 5,007.14 = 1,390.32 : x
  2. Step 2: Convert to fraction form
    3,338.37/5,007.14 = 1,390.32/x
  3. Step 3: Cross multiply
    3,338.37x = 5,007.14 × 1,390.32
  4. Step 4: Simplify right side
    3,338.37x = 6,961,526.88
  5. Step 5: Solve for x
    x = 6,961,526.88/3,338.37
  6. Step 6: Final answer
    x = 2,085.31

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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.