Home / 1,954.16-2,696.56-1,114.67

Finding the Fourth Proportional to 1,954.16, 2,696.56 and 1,114.67

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Solution

The fourth proportional to 1,954.16, 2,696.56 and 1,114.67 is: 1,538.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954.16 : 2,696.56 = 1,114.67 : x
  2. Step 2: Convert to fraction form
    1,954.16/2,696.56 = 1,114.67/x
  3. Step 3: Cross multiply
    1,954.16x = 2,696.56 × 1,114.67
  4. Step 4: Simplify right side
    1,954.16x = 3,005,755.48
  5. Step 5: Solve for x
    x = 3,005,755.48/1,954.16
  6. Step 6: Final answer
    x = 1,538.13

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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.