Home / 2,654.09-3,981.80-1,559.37

Finding the Fourth Proportional to 2,654.09, 3,981.80 and 1,559.37

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Solution

The fourth proportional to 2,654.09, 3,981.80 and 1,559.37 is: 2,339.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,654.09 : 3,981.80 = 1,559.37 : x
  2. Step 2: Convert to fraction form
    2,654.09/3,981.80 = 1,559.37/x
  3. Step 3: Cross multiply
    2,654.09x = 3,981.80 × 1,559.37
  4. Step 4: Simplify right side
    2,654.09x = 6,209,103.36
  5. Step 5: Solve for x
    x = 6,209,103.36/2,654.09
  6. Step 6: Final answer
    x = 2,339.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.