Home / 3,852.17-5,315.97-2,083.76

Finding the Fourth Proportional to 3,852.17, 5,315.97 and 2,083.76

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Solution

The fourth proportional to 3,852.17, 5,315.97 and 2,083.76 is: 2,875.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,852.17 : 5,315.97 = 2,083.76 : x
  2. Step 2: Convert to fraction form
    3,852.17/5,315.97 = 2,083.76/x
  3. Step 3: Cross multiply
    3,852.17x = 5,315.97 × 2,083.76
  4. Step 4: Simplify right side
    3,852.17x = 11,077,205.65
  5. Step 5: Solve for x
    x = 11,077,205.65/3,852.17
  6. Step 6: Final answer
    x = 2,875.58

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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.