Home / 1,613.01-2,211.45-1,583.85

Finding the Fourth Proportional to 1,613.01, 2,211.45 and 1,583.85

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Solution

The fourth proportional to 1,613.01, 2,211.45 and 1,583.85 is: 2,171.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613.01 : 2,211.45 = 1,583.85 : x
  2. Step 2: Convert to fraction form
    1,613.01/2,211.45 = 1,583.85/x
  3. Step 3: Cross multiply
    1,613.01x = 2,211.45 × 1,583.85
  4. Step 4: Simplify right side
    1,613.01x = 3,502,599.55
  5. Step 5: Solve for x
    x = 3,502,599.55/1,613.01
  6. Step 6: Final answer
    x = 2,171.47

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.