Home / 2,310.95-3,189.44-1,471.39

Finding the Fourth Proportional to 2,310.95, 3,189.44 and 1,471.39

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Solution

The fourth proportional to 2,310.95, 3,189.44 and 1,471.39 is: 2,030.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,310.95 : 3,189.44 = 1,471.39 : x
  2. Step 2: Convert to fraction form
    2,310.95/3,189.44 = 1,471.39/x
  3. Step 3: Cross multiply
    2,310.95x = 3,189.44 × 1,471.39
  4. Step 4: Simplify right side
    2,310.95x = 4,692,905.83
  5. Step 5: Solve for x
    x = 4,692,905.83/2,310.95
  6. Step 6: Final answer
    x = 2,030.72

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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.