Home / 2,825.55-4,240.93-1,439.88

Finding the Fourth Proportional to 2,825.55, 4,240.93 and 1,439.88

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Solution

The fourth proportional to 2,825.55, 4,240.93 and 1,439.88 is: 2,161.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825.55 : 4,240.93 = 1,439.88 : x
  2. Step 2: Convert to fraction form
    2,825.55/4,240.93 = 1,439.88/x
  3. Step 3: Cross multiply
    2,825.55x = 4,240.93 × 1,439.88
  4. Step 4: Simplify right side
    2,825.55x = 6,106,430.29
  5. Step 5: Solve for x
    x = 6,106,430.29/2,825.55
  6. Step 6: Final answer
    x = 2,161.15

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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.