Home / 3,392.36-4,681.31-1,900.02

Finding the Fourth Proportional to 3,392.36, 4,681.31 and 1,900.02

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Solution

The fourth proportional to 3,392.36, 4,681.31 and 1,900.02 is: 2,621.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,392.36 : 4,681.31 = 1,900.02 : x
  2. Step 2: Convert to fraction form
    3,392.36/4,681.31 = 1,900.02/x
  3. Step 3: Cross multiply
    3,392.36x = 4,681.31 × 1,900.02
  4. Step 4: Simplify right side
    3,392.36x = 8,894,573.13
  5. Step 5: Solve for x
    x = 8,894,573.13/3,392.36
  6. Step 6: Final answer
    x = 2,621.95

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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.