Home / 1,568.00-2,164.36-1,127.19

Finding the Fourth Proportional to 1,568.00, 2,164.36 and 1,127.19

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Solution

The fourth proportional to 1,568.00, 2,164.36 and 1,127.19 is: 1,555.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,568.00 : 2,164.36 = 1,127.19 : x
  2. Step 2: Convert to fraction form
    1,568.00/2,164.36 = 1,127.19/x
  3. Step 3: Cross multiply
    1,568.00x = 2,164.36 × 1,127.19
  4. Step 4: Simplify right side
    1,568.00x = 2,439,635.56
  5. Step 5: Solve for x
    x = 2,439,635.56/1,568.00
  6. Step 6: Final answer
    x = 1,555.89

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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.