Home / 2,555.09-3,811.87-2,316.36

Finding the Fourth Proportional to 2,555.09, 3,811.87 and 2,316.36

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Solution

The fourth proportional to 2,555.09, 3,811.87 and 2,316.36 is: 3,455.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,555.09 : 3,811.87 = 2,316.36 : x
  2. Step 2: Convert to fraction form
    2,555.09/3,811.87 = 2,316.36/x
  3. Step 3: Cross multiply
    2,555.09x = 3,811.87 × 2,316.36
  4. Step 4: Simplify right side
    2,555.09x = 8,829,673.87
  5. Step 5: Solve for x
    x = 8,829,673.87/2,555.09
  6. Step 6: Final answer
    x = 3,455.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.