Home / 3,085.84-4,629.12-1,005.76

Finding the Fourth Proportional to 3,085.84, 4,629.12 and 1,005.76

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Solution

The fourth proportional to 3,085.84, 4,629.12 and 1,005.76 is: 1,508.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085.84 : 4,629.12 = 1,005.76 : x
  2. Step 2: Convert to fraction form
    3,085.84/4,629.12 = 1,005.76/x
  3. Step 3: Cross multiply
    3,085.84x = 4,629.12 × 1,005.76
  4. Step 4: Simplify right side
    3,085.84x = 4,655,783.73
  5. Step 5: Solve for x
    x = 4,655,783.73/3,085.84
  6. Step 6: Final answer
    x = 1,508.76

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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.