Home / 2,303.81-3,179.48-1,359.91

Finding the Fourth Proportional to 2,303.81, 3,179.48 and 1,359.91

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Solution

The fourth proportional to 2,303.81, 3,179.48 and 1,359.91 is: 1,876.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,303.81 : 3,179.48 = 1,359.91 : x
  2. Step 2: Convert to fraction form
    2,303.81/3,179.48 = 1,359.91/x
  3. Step 3: Cross multiply
    2,303.81x = 3,179.48 × 1,359.91
  4. Step 4: Simplify right side
    2,303.81x = 4,323,806.65
  5. Step 5: Solve for x
    x = 4,323,806.65/2,303.81
  6. Step 6: Final answer
    x = 1,876.81

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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.