Home / 2,039.36-3,057.80-1,113.63

Finding the Fourth Proportional to 2,039.36, 3,057.80 and 1,113.63

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Solution

The fourth proportional to 2,039.36, 3,057.80 and 1,113.63 is: 1,669.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039.36 : 3,057.80 = 1,113.63 : x
  2. Step 2: Convert to fraction form
    2,039.36/3,057.80 = 1,113.63/x
  3. Step 3: Cross multiply
    2,039.36x = 3,057.80 × 1,113.63
  4. Step 4: Simplify right side
    2,039.36x = 3,405,260.60
  5. Step 5: Solve for x
    x = 3,405,260.60/2,039.36
  6. Step 6: Final answer
    x = 1,669.77

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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.