Home / 1,577.18-2,365.77-1,347.62

Finding the Fourth Proportional to 1,577.18, 2,365.77 and 1,347.62

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Solution

The fourth proportional to 1,577.18, 2,365.77 and 1,347.62 is: 2,021.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577.18 : 2,365.77 = 1,347.62 : x
  2. Step 2: Convert to fraction form
    1,577.18/2,365.77 = 1,347.62/x
  3. Step 3: Cross multiply
    1,577.18x = 2,365.77 × 1,347.62
  4. Step 4: Simplify right side
    1,577.18x = 3,188,158.97
  5. Step 5: Solve for x
    x = 3,188,158.97/1,577.18
  6. Step 6: Final answer
    x = 2,021.43

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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.