Home / 3,139.99-4,333.25-1,881.16

Finding the Fourth Proportional to 3,139.99, 4,333.25 and 1,881.16

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Solution

The fourth proportional to 3,139.99, 4,333.25 and 1,881.16 is: 2,596.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139.99 : 4,333.25 = 1,881.16 : x
  2. Step 2: Convert to fraction form
    3,139.99/4,333.25 = 1,881.16/x
  3. Step 3: Cross multiply
    3,139.99x = 4,333.25 × 1,881.16
  4. Step 4: Simplify right side
    3,139.99x = 8,151,530.44
  5. Step 5: Solve for x
    x = 8,151,530.44/3,139.99
  6. Step 6: Final answer
    x = 2,596.04

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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.