Home / 2,203.45-3,039.88-1,259.09

Finding the Fourth Proportional to 2,203.45, 3,039.88 and 1,259.09

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Solution

The fourth proportional to 2,203.45, 3,039.88 and 1,259.09 is: 1,737.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.45 : 3,039.88 = 1,259.09 : x
  2. Step 2: Convert to fraction form
    2,203.45/3,039.88 = 1,259.09/x
  3. Step 3: Cross multiply
    2,203.45x = 3,039.88 × 1,259.09
  4. Step 4: Simplify right side
    2,203.45x = 3,827,495.02
  5. Step 5: Solve for x
    x = 3,827,495.02/2,203.45
  6. Step 6: Final answer
    x = 1,737.04

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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.