Home / 3,052.81-4,212.90-1,655.56

Finding the Fourth Proportional to 3,052.81, 4,212.90 and 1,655.56

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Solution

The fourth proportional to 3,052.81, 4,212.90 and 1,655.56 is: 2,284.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,052.81 : 4,212.90 = 1,655.56 : x
  2. Step 2: Convert to fraction form
    3,052.81/4,212.90 = 1,655.56/x
  3. Step 3: Cross multiply
    3,052.81x = 4,212.90 × 1,655.56
  4. Step 4: Simplify right side
    3,052.81x = 6,974,698.19
  5. Step 5: Solve for x
    x = 6,974,698.19/3,052.81
  6. Step 6: Final answer
    x = 2,284.68

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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.