Home / 1,927.36-2,659.75-1,043.16

Finding the Fourth Proportional to 1,927.36, 2,659.75 and 1,043.16

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Solution

The fourth proportional to 1,927.36, 2,659.75 and 1,043.16 is: 1,439.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927.36 : 2,659.75 = 1,043.16 : x
  2. Step 2: Convert to fraction form
    1,927.36/2,659.75 = 1,043.16/x
  3. Step 3: Cross multiply
    1,927.36x = 2,659.75 × 1,043.16
  4. Step 4: Simplify right side
    1,927.36x = 2,774,544.81
  5. Step 5: Solve for x
    x = 2,774,544.81/1,927.36
  6. Step 6: Final answer
    x = 1,439.56

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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.