Home / 2,290.55-3,433.73-1,903.03

Finding the Fourth Proportional to 2,290.55, 3,433.73 and 1,903.03

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Solution

The fourth proportional to 2,290.55, 3,433.73 and 1,903.03 is: 2,852.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290.55 : 3,433.73 = 1,903.03 : x
  2. Step 2: Convert to fraction form
    2,290.55/3,433.73 = 1,903.03/x
  3. Step 3: Cross multiply
    2,290.55x = 3,433.73 × 1,903.03
  4. Step 4: Simplify right side
    2,290.55x = 6,534,473.10
  5. Step 5: Solve for x
    x = 6,534,473.10/2,290.55
  6. Step 6: Final answer
    x = 2,852.80

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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.