Home / 2,315.36-3,473.44-1,275.86

Finding the Fourth Proportional to 2,315.36, 3,473.44 and 1,275.86

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Solution

The fourth proportional to 2,315.36, 3,473.44 and 1,275.86 is: 1,914.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315.36 : 3,473.44 = 1,275.86 : x
  2. Step 2: Convert to fraction form
    2,315.36/3,473.44 = 1,275.86/x
  3. Step 3: Cross multiply
    2,315.36x = 3,473.44 × 1,275.86
  4. Step 4: Simplify right side
    2,315.36x = 4,431,628.65
  5. Step 5: Solve for x
    x = 4,431,628.65/2,315.36
  6. Step 6: Final answer
    x = 1,914.01

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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.