Home / 3,237.86-4,465.80-2,790.51

Finding the Fourth Proportional to 3,237.86, 4,465.80 and 2,790.51

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Solution

The fourth proportional to 3,237.86, 4,465.80 and 2,790.51 is: 3,848.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,237.86 : 4,465.80 = 2,790.51 : x
  2. Step 2: Convert to fraction form
    3,237.86/4,465.80 = 2,790.51/x
  3. Step 3: Cross multiply
    3,237.86x = 4,465.80 × 2,790.51
  4. Step 4: Simplify right side
    3,237.86x = 12,461,859.56
  5. Step 5: Solve for x
    x = 12,461,859.56/3,237.86
  6. Step 6: Final answer
    x = 3,848.79

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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.