Home / 3,519.89-5,279.53-1,055.26

Finding the Fourth Proportional to 3,519.89, 5,279.53 and 1,055.26

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Solution

The fourth proportional to 3,519.89, 5,279.53 and 1,055.26 is: 1,582.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.89 : 5,279.53 = 1,055.26 : x
  2. Step 2: Convert to fraction form
    3,519.89/5,279.53 = 1,055.26/x
  3. Step 3: Cross multiply
    3,519.89x = 5,279.53 × 1,055.26
  4. Step 4: Simplify right side
    3,519.89x = 5,571,271.55
  5. Step 5: Solve for x
    x = 5,571,271.55/3,519.89
  6. Step 6: Final answer
    x = 1,582.80

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Similar ratio
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1.5x scale

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.