Home / 3,611.56-5,418.16-1,303.06

Finding the Fourth Proportional to 3,611.56, 5,418.16 and 1,303.06

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Solution

The fourth proportional to 3,611.56, 5,418.16 and 1,303.06 is: 1,954.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.56 : 5,418.16 = 1,303.06 : x
  2. Step 2: Convert to fraction form
    3,611.56/5,418.16 = 1,303.06/x
  3. Step 3: Cross multiply
    3,611.56x = 5,418.16 × 1,303.06
  4. Step 4: Simplify right side
    3,611.56x = 7,060,187.57
  5. Step 5: Solve for x
    x = 7,060,187.57/3,611.56
  6. Step 6: Final answer
    x = 1,954.89

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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.