Home / 1,479.69-2,222.64-1,430.55

Finding the Fourth Proportional to 1,479.69, 2,222.64 and 1,430.55

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Solution

The fourth proportional to 1,479.69, 2,222.64 and 1,430.55 is: 2,148.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479.69 : 2,222.64 = 1,430.55 : x
  2. Step 2: Convert to fraction form
    1,479.69/2,222.64 = 1,430.55/x
  3. Step 3: Cross multiply
    1,479.69x = 2,222.64 × 1,430.55
  4. Step 4: Simplify right side
    1,479.69x = 3,179,597.65
  5. Step 5: Solve for x
    x = 3,179,597.65/1,479.69
  6. Step 6: Final answer
    x = 2,148.83

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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.