Home / 3,127.40-4,697.84-1,895.48

Finding the Fourth Proportional to 3,127.40, 4,697.84 and 1,895.48

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Solution

The fourth proportional to 3,127.40, 4,697.84 and 1,895.48 is: 2,847.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.40 : 4,697.84 = 1,895.48 : x
  2. Step 2: Convert to fraction form
    3,127.40/4,697.84 = 1,895.48/x
  3. Step 3: Cross multiply
    3,127.40x = 4,697.84 × 1,895.48
  4. Step 4: Simplify right side
    3,127.40x = 8,904,661.76
  5. Step 5: Solve for x
    x = 8,904,661.76/3,127.40
  6. Step 6: Final answer
    x = 2,847.31

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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.