Home / 3,473.87-5,210.75-1,394.35

Finding the Fourth Proportional to 3,473.87, 5,210.75 and 1,394.35

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Solution

The fourth proportional to 3,473.87, 5,210.75 and 1,394.35 is: 2,091.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,473.87 : 5,210.75 = 1,394.35 : x
  2. Step 2: Convert to fraction form
    3,473.87/5,210.75 = 1,394.35/x
  3. Step 3: Cross multiply
    3,473.87x = 5,210.75 × 1,394.35
  4. Step 4: Simplify right side
    3,473.87x = 7,265,589.26
  5. Step 5: Solve for x
    x = 7,265,589.26/3,473.87
  6. Step 6: Final answer
    x = 2,091.50

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Double scale
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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.