Home / 3,529.09-4,867.93-2,271.78

Finding the Fourth Proportional to 3,529.09, 4,867.93 and 2,271.78

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Solution

The fourth proportional to 3,529.09, 4,867.93 and 2,271.78 is: 3,133.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.09 : 4,867.93 = 2,271.78 : x
  2. Step 2: Convert to fraction form
    3,529.09/4,867.93 = 2,271.78/x
  3. Step 3: Cross multiply
    3,529.09x = 4,867.93 × 2,271.78
  4. Step 4: Simplify right side
    3,529.09x = 11,058,866.02
  5. Step 5: Solve for x
    x = 11,058,866.02/3,529.09
  6. Step 6: Final answer
    x = 3,133.63

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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.