Home / 3,362.31-4,640.25-1,946.46

Finding the Fourth Proportional to 3,362.31, 4,640.25 and 1,946.46

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Solution

The fourth proportional to 3,362.31, 4,640.25 and 1,946.46 is: 2,686.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,362.31 : 4,640.25 = 1,946.46 : x
  2. Step 2: Convert to fraction form
    3,362.31/4,640.25 = 1,946.46/x
  3. Step 3: Cross multiply
    3,362.31x = 4,640.25 × 1,946.46
  4. Step 4: Simplify right side
    3,362.31x = 9,032,061.02
  5. Step 5: Solve for x
    x = 9,032,061.02/3,362.31
  6. Step 6: Final answer
    x = 2,686.27

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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.