Home / 3,052.86-4,212.96-1,655.61

Finding the Fourth Proportional to 3,052.86, 4,212.96 and 1,655.61

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Solution

The fourth proportional to 3,052.86, 4,212.96 and 1,655.61 is: 2,284.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,052.86 : 4,212.96 = 1,655.61 : x
  2. Step 2: Convert to fraction form
    3,052.86/4,212.96 = 1,655.61/x
  3. Step 3: Cross multiply
    3,052.86x = 4,212.96 × 1,655.61
  4. Step 4: Simplify right side
    3,052.86x = 6,975,018.71
  5. Step 5: Solve for x
    x = 6,975,018.71/3,052.86
  6. Step 6: Final answer
    x = 2,284.75

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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.