Home / 3,520.59-5,277.63-1,788.81

Finding the Fourth Proportional to 3,520.59, 5,277.63 and 1,788.81

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Solution

The fourth proportional to 3,520.59, 5,277.63 and 1,788.81 is: 2,681.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.59 : 5,277.63 = 1,788.81 : x
  2. Step 2: Convert to fraction form
    3,520.59/5,277.63 = 1,788.81/x
  3. Step 3: Cross multiply
    3,520.59x = 5,277.63 × 1,788.81
  4. Step 4: Simplify right side
    3,520.59x = 9,440,677.32
  5. Step 5: Solve for x
    x = 9,440,677.32/3,520.59
  6. Step 6: Final answer
    x = 2,681.56

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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.