Home / 3,461.44-4,776.80-1,889.52

Finding the Fourth Proportional to 3,461.44, 4,776.80 and 1,889.52

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Solution

The fourth proportional to 3,461.44, 4,776.80 and 1,889.52 is: 2,607.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.44 : 4,776.80 = 1,889.52 : x
  2. Step 2: Convert to fraction form
    3,461.44/4,776.80 = 1,889.52/x
  3. Step 3: Cross multiply
    3,461.44x = 4,776.80 × 1,889.52
  4. Step 4: Simplify right side
    3,461.44x = 9,025,859.14
  5. Step 5: Solve for x
    x = 9,025,859.14/3,461.44
  6. Step 6: Final answer
    x = 2,607.54

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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.