Home / 1,882.90-2,596.64-1,219.52

Finding the Fourth Proportional to 1,882.90, 2,596.64 and 1,219.52

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Solution

The fourth proportional to 1,882.90, 2,596.64 and 1,219.52 is: 1,681.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,882.90 : 2,596.64 = 1,219.52 : x
  2. Step 2: Convert to fraction form
    1,882.90/2,596.64 = 1,219.52/x
  3. Step 3: Cross multiply
    1,882.90x = 2,596.64 × 1,219.52
  4. Step 4: Simplify right side
    1,882.90x = 3,166,654.41
  5. Step 5: Solve for x
    x = 3,166,654.41/1,882.90
  6. Step 6: Final answer
    x = 1,681.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.