Home / 3,425.21-4,726.80-1,853.31

Finding the Fourth Proportional to 3,425.21, 4,726.80 and 1,853.31

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Solution

The fourth proportional to 3,425.21, 4,726.80 and 1,853.31 is: 2,557.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.21 : 4,726.80 = 1,853.31 : x
  2. Step 2: Convert to fraction form
    3,425.21/4,726.80 = 1,853.31/x
  3. Step 3: Cross multiply
    3,425.21x = 4,726.80 × 1,853.31
  4. Step 4: Simplify right side
    3,425.21x = 8,760,225.71
  5. Step 5: Solve for x
    x = 8,760,225.71/3,425.21
  6. Step 6: Final answer
    x = 2,557.57

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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.