Home / 2,803.12-4,203.06-1,340.26

Finding the Fourth Proportional to 2,803.12, 4,203.06 and 1,340.26

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Solution

The fourth proportional to 2,803.12, 4,203.06 and 1,340.26 is: 2,009.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803.12 : 4,203.06 = 1,340.26 : x
  2. Step 2: Convert to fraction form
    2,803.12/4,203.06 = 1,340.26/x
  3. Step 3: Cross multiply
    2,803.12x = 4,203.06 × 1,340.26
  4. Step 4: Simplify right side
    2,803.12x = 5,633,193.20
  5. Step 5: Solve for x
    x = 5,633,193.20/2,803.12
  6. Step 6: Final answer
    x = 2,009.62

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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.