Home / 2,539.55-3,806.19-1,440.59

Finding the Fourth Proportional to 2,539.55, 3,806.19 and 1,440.59

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Solution

The fourth proportional to 2,539.55, 3,806.19 and 1,440.59 is: 2,159.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,539.55 : 3,806.19 = 1,440.59 : x
  2. Step 2: Convert to fraction form
    2,539.55/3,806.19 = 1,440.59/x
  3. Step 3: Cross multiply
    2,539.55x = 3,806.19 × 1,440.59
  4. Step 4: Simplify right side
    2,539.55x = 5,483,140.22
  5. Step 5: Solve for x
    x = 5,483,140.22/2,539.55
  6. Step 6: Final answer
    x = 2,159.10

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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.