Home / 2,977.60-4,110.89-1,859.49

Finding the Fourth Proportional to 2,977.60, 4,110.89 and 1,859.49

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Solution

The fourth proportional to 2,977.60, 4,110.89 and 1,859.49 is: 2,567.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.60 : 4,110.89 = 1,859.49 : x
  2. Step 2: Convert to fraction form
    2,977.60/4,110.89 = 1,859.49/x
  3. Step 3: Cross multiply
    2,977.60x = 4,110.89 × 1,859.49
  4. Step 4: Simplify right side
    2,977.60x = 7,644,158.85
  5. Step 5: Solve for x
    x = 7,644,158.85/2,977.60
  6. Step 6: Final answer
    x = 2,567.22

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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.