Home / 2,756.19-4,135.68-1,715.88

Finding the Fourth Proportional to 2,756.19, 4,135.68 and 1,715.88

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Solution

The fourth proportional to 2,756.19, 4,135.68 and 1,715.88 is: 2,574.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,756.19 : 4,135.68 = 1,715.88 : x
  2. Step 2: Convert to fraction form
    2,756.19/4,135.68 = 1,715.88/x
  3. Step 3: Cross multiply
    2,756.19x = 4,135.68 × 1,715.88
  4. Step 4: Simplify right side
    2,756.19x = 7,096,330.60
  5. Step 5: Solve for x
    x = 7,096,330.60/2,756.19
  6. Step 6: Final answer
    x = 2,574.69

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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.