Home / 2,476.79-3,715.32-1,090.77

Finding the Fourth Proportional to 2,476.79, 3,715.32 and 1,090.77

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Solution

The fourth proportional to 2,476.79, 3,715.32 and 1,090.77 is: 1,636.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,476.79 : 3,715.32 = 1,090.77 : x
  2. Step 2: Convert to fraction form
    2,476.79/3,715.32 = 1,090.77/x
  3. Step 3: Cross multiply
    2,476.79x = 3,715.32 × 1,090.77
  4. Step 4: Simplify right side
    2,476.79x = 4,052,559.60
  5. Step 5: Solve for x
    x = 4,052,559.60/2,476.79
  6. Step 6: Final answer
    x = 1,636.22

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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.