Home / 3,365.16-4,644.56-2,106.80

Finding the Fourth Proportional to 3,365.16, 4,644.56 and 2,106.80

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Solution

The fourth proportional to 3,365.16, 4,644.56 and 2,106.80 is: 2,907.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,365.16 : 4,644.56 = 2,106.80 : x
  2. Step 2: Convert to fraction form
    3,365.16/4,644.56 = 2,106.80/x
  3. Step 3: Cross multiply
    3,365.16x = 4,644.56 × 2,106.80
  4. Step 4: Simplify right side
    3,365.16x = 9,785,159.01
  5. Step 5: Solve for x
    x = 9,785,159.01/3,365.16
  6. Step 6: Final answer
    x = 2,907.78

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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.