Home / 1,539.36-2,310.61-1,127.27

Finding the Fourth Proportional to 1,539.36, 2,310.61 and 1,127.27

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Solution

The fourth proportional to 1,539.36, 2,310.61 and 1,127.27 is: 1,692.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539.36 : 2,310.61 = 1,127.27 : x
  2. Step 2: Convert to fraction form
    1,539.36/2,310.61 = 1,127.27/x
  3. Step 3: Cross multiply
    1,539.36x = 2,310.61 × 1,127.27
  4. Step 4: Simplify right side
    1,539.36x = 2,604,681.33
  5. Step 5: Solve for x
    x = 2,604,681.33/1,539.36
  6. Step 6: Final answer
    x = 1,692.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.