Home / 1,584.27-2,365.29-1,428.75

Finding the Fourth Proportional to 1,584.27, 2,365.29 and 1,428.75

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Solution

The fourth proportional to 1,584.27, 2,365.29 and 1,428.75 is: 2,133.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,584.27 : 2,365.29 = 1,428.75 : x
  2. Step 2: Convert to fraction form
    1,584.27/2,365.29 = 1,428.75/x
  3. Step 3: Cross multiply
    1,584.27x = 2,365.29 × 1,428.75
  4. Step 4: Simplify right side
    1,584.27x = 3,379,408.09
  5. Step 5: Solve for x
    x = 3,379,408.09/1,584.27
  6. Step 6: Final answer
    x = 2,133.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.