Home / 1,479.03-2,213.93-1,089.47

Finding the Fourth Proportional to 1,479.03, 2,213.93 and 1,089.47

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Solution

The fourth proportional to 1,479.03, 2,213.93 and 1,089.47 is: 1,630.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479.03 : 2,213.93 = 1,089.47 : x
  2. Step 2: Convert to fraction form
    1,479.03/2,213.93 = 1,089.47/x
  3. Step 3: Cross multiply
    1,479.03x = 2,213.93 × 1,089.47
  4. Step 4: Simplify right side
    1,479.03x = 2,412,002.10
  5. Step 5: Solve for x
    x = 2,412,002.10/1,479.03
  6. Step 6: Final answer
    x = 1,630.80

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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.