Home / 2,757.63-4,132.95-1,818.75

Finding the Fourth Proportional to 2,757.63, 4,132.95 and 1,818.75

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Solution

The fourth proportional to 2,757.63, 4,132.95 and 1,818.75 is: 2,725.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,757.63 : 4,132.95 = 1,818.75 : x
  2. Step 2: Convert to fraction form
    2,757.63/4,132.95 = 1,818.75/x
  3. Step 3: Cross multiply
    2,757.63x = 4,132.95 × 1,818.75
  4. Step 4: Simplify right side
    2,757.63x = 7,516,802.81
  5. Step 5: Solve for x
    x = 7,516,802.81/2,757.63
  6. Step 6: Final answer
    x = 2,725.82

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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.