Home / 3,052.80-4,212.86-1,655.55

Finding the Fourth Proportional to 3,052.80, 4,212.86 and 1,655.55

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Solution

The fourth proportional to 3,052.80, 4,212.86 and 1,655.55 is: 2,284.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,052.80 : 4,212.86 = 1,655.55 : x
  2. Step 2: Convert to fraction form
    3,052.80/4,212.86 = 1,655.55/x
  3. Step 3: Cross multiply
    3,052.80x = 4,212.86 × 1,655.55
  4. Step 4: Simplify right side
    3,052.80x = 6,974,579.31
  5. Step 5: Solve for x
    x = 6,974,579.31/3,052.80
  6. Step 6: Final answer
    x = 2,284.65

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1.5x scale

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.