Home / 2,127.93-3,186.54-1,345.56

Finding the Fourth Proportional to 2,127.93, 3,186.54 and 1,345.56

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Solution

The fourth proportional to 2,127.93, 3,186.54 and 1,345.56 is: 2,014.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.93 : 3,186.54 = 1,345.56 : x
  2. Step 2: Convert to fraction form
    2,127.93/3,186.54 = 1,345.56/x
  3. Step 3: Cross multiply
    2,127.93x = 3,186.54 × 1,345.56
  4. Step 4: Simplify right side
    2,127.93x = 4,287,680.76
  5. Step 5: Solve for x
    x = 4,287,680.76/2,127.93
  6. Step 6: Final answer
    x = 2,014.95

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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.