Home / 2,236.77-3,085.53-1,427.72

Finding the Fourth Proportional to 2,236.77, 3,085.53 and 1,427.72

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Solution

The fourth proportional to 2,236.77, 3,085.53 and 1,427.72 is: 1,969.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,236.77 : 3,085.53 = 1,427.72 : x
  2. Step 2: Convert to fraction form
    2,236.77/3,085.53 = 1,427.72/x
  3. Step 3: Cross multiply
    2,236.77x = 3,085.53 × 1,427.72
  4. Step 4: Simplify right side
    2,236.77x = 4,405,257.46
  5. Step 5: Solve for x
    x = 4,405,257.46/2,236.77
  6. Step 6: Final answer
    x = 1,969.47

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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.