Home / 3,137.80-4,707.52-1,675.76

Finding the Fourth Proportional to 3,137.80, 4,707.52 and 1,675.76

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Solution

The fourth proportional to 3,137.80, 4,707.52 and 1,675.76 is: 2,514.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.80 : 4,707.52 = 1,675.76 : x
  2. Step 2: Convert to fraction form
    3,137.80/4,707.52 = 1,675.76/x
  3. Step 3: Cross multiply
    3,137.80x = 4,707.52 × 1,675.76
  4. Step 4: Simplify right side
    3,137.80x = 7,888,673.72
  5. Step 5: Solve for x
    x = 7,888,673.72/3,137.80
  6. Step 6: Final answer
    x = 2,514.08

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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.