Home / 3,439.33-4,745.48-1,946.92

Finding the Fourth Proportional to 3,439.33, 4,745.48 and 1,946.92

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Solution

The fourth proportional to 3,439.33, 4,745.48 and 1,946.92 is: 2,686.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.33 : 4,745.48 = 1,946.92 : x
  2. Step 2: Convert to fraction form
    3,439.33/4,745.48 = 1,946.92/x
  3. Step 3: Cross multiply
    3,439.33x = 4,745.48 × 1,946.92
  4. Step 4: Simplify right side
    3,439.33x = 9,239,069.92
  5. Step 5: Solve for x
    x = 9,239,069.92/3,439.33
  6. Step 6: Final answer
    x = 2,686.30

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Double scale
Find fourth proportional to 3,440.33, 4,746.86 and 1,947.92
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.