Home / 3,851.92-5,315.62-2,083.53

Finding the Fourth Proportional to 3,851.92, 5,315.62 and 2,083.53

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Solution

The fourth proportional to 3,851.92, 5,315.62 and 2,083.53 is: 2,875.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851.92 : 5,315.62 = 2,083.53 : x
  2. Step 2: Convert to fraction form
    3,851.92/5,315.62 = 2,083.53/x
  3. Step 3: Cross multiply
    3,851.92x = 5,315.62 × 2,083.53
  4. Step 4: Simplify right side
    3,851.92x = 11,075,230.03
  5. Step 5: Solve for x
    x = 11,075,230.03/3,851.92
  6. Step 6: Final answer
    x = 2,875.25

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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.