Home / 3,073.82-4,610.58-1,125.88

Finding the Fourth Proportional to 3,073.82, 4,610.58 and 1,125.88

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Solution

The fourth proportional to 3,073.82, 4,610.58 and 1,125.88 is: 1,688.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,073.82 : 4,610.58 = 1,125.88 : x
  2. Step 2: Convert to fraction form
    3,073.82/4,610.58 = 1,125.88/x
  3. Step 3: Cross multiply
    3,073.82x = 4,610.58 × 1,125.88
  4. Step 4: Simplify right side
    3,073.82x = 5,190,959.81
  5. Step 5: Solve for x
    x = 5,190,959.81/3,073.82
  6. Step 6: Final answer
    x = 1,688.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.