Home / 2,135.35-2,945.95-1,577.14

Finding the Fourth Proportional to 2,135.35, 2,945.95 and 1,577.14

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Solution

The fourth proportional to 2,135.35, 2,945.95 and 1,577.14 is: 2,175.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135.35 : 2,945.95 = 1,577.14 : x
  2. Step 2: Convert to fraction form
    2,135.35/2,945.95 = 1,577.14/x
  3. Step 3: Cross multiply
    2,135.35x = 2,945.95 × 1,577.14
  4. Step 4: Simplify right side
    2,135.35x = 4,646,175.58
  5. Step 5: Solve for x
    x = 4,646,175.58/2,135.35
  6. Step 6: Final answer
    x = 2,175.84

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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.