Home / 2,231.85-3,080.10-1,237.17

Finding the Fourth Proportional to 2,231.85, 3,080.10 and 1,237.17

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Solution

The fourth proportional to 2,231.85, 3,080.10 and 1,237.17 is: 1,707.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.85 : 3,080.10 = 1,237.17 : x
  2. Step 2: Convert to fraction form
    2,231.85/3,080.10 = 1,237.17/x
  3. Step 3: Cross multiply
    2,231.85x = 3,080.10 × 1,237.17
  4. Step 4: Simplify right side
    2,231.85x = 3,810,607.32
  5. Step 5: Solve for x
    x = 3,810,607.32/2,231.85
  6. Step 6: Final answer
    x = 1,707.38

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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.