Home / 2,302.86-3,177.90-1,418.34

Finding the Fourth Proportional to 2,302.86, 3,177.90 and 1,418.34

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Solution

The fourth proportional to 2,302.86, 3,177.90 and 1,418.34 is: 1,957.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,302.86 : 3,177.90 = 1,418.34 : x
  2. Step 2: Convert to fraction form
    2,302.86/3,177.90 = 1,418.34/x
  3. Step 3: Cross multiply
    2,302.86x = 3,177.90 × 1,418.34
  4. Step 4: Simplify right side
    2,302.86x = 4,507,342.69
  5. Step 5: Solve for x
    x = 4,507,342.69/2,302.86
  6. Step 6: Final answer
    x = 1,957.28

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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.