Home / 1,842.90-2,764.62-609.96

Finding the Fourth Proportional to 1,842.90, 2,764.62 and 609.96

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Solution

The fourth proportional to 1,842.90, 2,764.62 and 609.96 is: 915.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842.90 : 2,764.62 = 609.96 : x
  2. Step 2: Convert to fraction form
    1,842.90/2,764.62 = 609.96/x
  3. Step 3: Cross multiply
    1,842.90x = 2,764.62 × 609.96
  4. Step 4: Simplify right side
    1,842.90x = 1,686,307.62
  5. Step 5: Solve for x
    x = 1,686,307.62/1,842.90
  6. Step 6: Final answer
    x = 915.03

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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.