Home / 2,739.61-4,106.58-1,277.56

Finding the Fourth Proportional to 2,739.61, 4,106.58 and 1,277.56

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Solution

The fourth proportional to 2,739.61, 4,106.58 and 1,277.56 is: 1,915.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739.61 : 4,106.58 = 1,277.56 : x
  2. Step 2: Convert to fraction form
    2,739.61/4,106.58 = 1,277.56/x
  3. Step 3: Cross multiply
    2,739.61x = 4,106.58 × 1,277.56
  4. Step 4: Simplify right side
    2,739.61x = 5,246,402.34
  5. Step 5: Solve for x
    x = 5,246,402.34/2,739.61
  6. Step 6: Final answer
    x = 1,915.02

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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.