Home / 2,539.70-3,807.48-1,613.36

Finding the Fourth Proportional to 2,539.70, 3,807.48 and 1,613.36

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Solution

The fourth proportional to 2,539.70, 3,807.48 and 1,613.36 is: 2,418.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,539.70 : 3,807.48 = 1,613.36 : x
  2. Step 2: Convert to fraction form
    2,539.70/3,807.48 = 1,613.36/x
  3. Step 3: Cross multiply
    2,539.70x = 3,807.48 × 1,613.36
  4. Step 4: Simplify right side
    2,539.70x = 6,142,835.93
  5. Step 5: Solve for x
    x = 6,142,835.93/2,539.70
  6. Step 6: Final answer
    x = 2,418.73

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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.