Home / 2,836.56-4,254.84-1,681.68

Finding the Fourth Proportional to 2,836.56, 4,254.84 and 1,681.68

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Solution

The fourth proportional to 2,836.56, 4,254.84 and 1,681.68 is: 2,522.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.56 : 4,254.84 = 1,681.68 : x
  2. Step 2: Convert to fraction form
    2,836.56/4,254.84 = 1,681.68/x
  3. Step 3: Cross multiply
    2,836.56x = 4,254.84 × 1,681.68
  4. Step 4: Simplify right side
    2,836.56x = 7,155,279.33
  5. Step 5: Solve for x
    x = 7,155,279.33/2,836.56
  6. Step 6: Final answer
    x = 2,522.52

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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.