Home / 2,127.23-3,186.14-1,303.02

Finding the Fourth Proportional to 2,127.23, 3,186.14 and 1,303.02

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Solution

The fourth proportional to 2,127.23, 3,186.14 and 1,303.02 is: 1,951.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.23 : 3,186.14 = 1,303.02 : x
  2. Step 2: Convert to fraction form
    2,127.23/3,186.14 = 1,303.02/x
  3. Step 3: Cross multiply
    2,127.23x = 3,186.14 × 1,303.02
  4. Step 4: Simplify right side
    2,127.23x = 4,151,597.63
  5. Step 5: Solve for x
    x = 4,151,597.63/2,127.23
  6. Step 6: Final answer
    x = 1,951.65

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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.