Home / 2,127.85-3,194.10-1,570.82

Finding the Fourth Proportional to 2,127.85, 3,194.10 and 1,570.82

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Solution

The fourth proportional to 2,127.85, 3,194.10 and 1,570.82 is: 2,357.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.85 : 3,194.10 = 1,570.82 : x
  2. Step 2: Convert to fraction form
    2,127.85/3,194.10 = 1,570.82/x
  3. Step 3: Cross multiply
    2,127.85x = 3,194.10 × 1,570.82
  4. Step 4: Simplify right side
    2,127.85x = 5,017,356.16
  5. Step 5: Solve for x
    x = 5,017,356.16/2,127.85
  6. Step 6: Final answer
    x = 2,357.95

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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.