Home / 2,655.58-3,983.62-1,011.68

Finding the Fourth Proportional to 2,655.58, 3,983.62 and 1,011.68

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Solution

The fourth proportional to 2,655.58, 3,983.62 and 1,011.68 is: 1,517.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,655.58 : 3,983.62 = 1,011.68 : x
  2. Step 2: Convert to fraction form
    2,655.58/3,983.62 = 1,011.68/x
  3. Step 3: Cross multiply
    2,655.58x = 3,983.62 × 1,011.68
  4. Step 4: Simplify right side
    2,655.58x = 4,030,148.68
  5. Step 5: Solve for x
    x = 4,030,148.68/2,655.58
  6. Step 6: Final answer
    x = 1,517.62

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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.