Home / 3,506.36-5,257.71-1,313.42

Finding the Fourth Proportional to 3,506.36, 5,257.71 and 1,313.42

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Solution

The fourth proportional to 3,506.36, 5,257.71 and 1,313.42 is: 1,969.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,506.36 : 5,257.71 = 1,313.42 : x
  2. Step 2: Convert to fraction form
    3,506.36/5,257.71 = 1,313.42/x
  3. Step 3: Cross multiply
    3,506.36x = 5,257.71 × 1,313.42
  4. Step 4: Simplify right side
    3,506.36x = 6,905,555.18
  5. Step 5: Solve for x
    x = 6,905,555.18/3,506.36
  6. Step 6: Final answer
    x = 1,969.44

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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.