Home / 3,137.30-4,329.93-1,810.73

Finding the Fourth Proportional to 3,137.30, 4,329.93 and 1,810.73

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Solution

The fourth proportional to 3,137.30, 4,329.93 and 1,810.73 is: 2,499.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.30 : 4,329.93 = 1,810.73 : x
  2. Step 2: Convert to fraction form
    3,137.30/4,329.93 = 1,810.73/x
  3. Step 3: Cross multiply
    3,137.30x = 4,329.93 × 1,810.73
  4. Step 4: Simplify right side
    3,137.30x = 7,840,334.15
  5. Step 5: Solve for x
    x = 7,840,334.15/3,137.30
  6. Step 6: Final answer
    x = 2,499.07

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1.5x scale

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.