Home / 3,392.37-4,681.73-1,900.79

Finding the Fourth Proportional to 3,392.37, 4,681.73 and 1,900.79

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Solution

The fourth proportional to 3,392.37, 4,681.73 and 1,900.79 is: 2,623.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,392.37 : 4,681.73 = 1,900.79 : x
  2. Step 2: Convert to fraction form
    3,392.37/4,681.73 = 1,900.79/x
  3. Step 3: Cross multiply
    3,392.37x = 4,681.73 × 1,900.79
  4. Step 4: Simplify right side
    3,392.37x = 8,898,984.47
  5. Step 5: Solve for x
    x = 8,898,984.47/3,392.37
  6. Step 6: Final answer
    x = 2,623.24

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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.