Home / 2,303.69-3,181.13-1,713.20

Finding the Fourth Proportional to 2,303.69, 3,181.13 and 1,713.20

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Solution

The fourth proportional to 2,303.69, 3,181.13 and 1,713.20 is: 2,365.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,303.69 : 3,181.13 = 1,713.20 : x
  2. Step 2: Convert to fraction form
    2,303.69/3,181.13 = 1,713.20/x
  3. Step 3: Cross multiply
    2,303.69x = 3,181.13 × 1,713.20
  4. Step 4: Simplify right side
    2,303.69x = 5,449,911.92
  5. Step 5: Solve for x
    x = 5,449,911.92/2,303.69
  6. Step 6: Final answer
    x = 2,365.73

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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.