Home / 2,719.80-3,757.86-2,555.37

Finding the Fourth Proportional to 2,719.80, 3,757.86 and 2,555.37

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Solution

The fourth proportional to 2,719.80, 3,757.86 and 2,555.37 is: 3,530.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719.80 : 3,757.86 = 2,555.37 : x
  2. Step 2: Convert to fraction form
    2,719.80/3,757.86 = 2,555.37/x
  3. Step 3: Cross multiply
    2,719.80x = 3,757.86 × 2,555.37
  4. Step 4: Simplify right side
    2,719.80x = 9,602,722.71
  5. Step 5: Solve for x
    x = 9,602,722.71/2,719.80
  6. Step 6: Final answer
    x = 3,530.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.