Home / 1,995.15-2,753.67-1,156.39

Finding the Fourth Proportional to 1,995.15, 2,753.67 and 1,156.39

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Solution

The fourth proportional to 1,995.15, 2,753.67 and 1,156.39 is: 1,596.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995.15 : 2,753.67 = 1,156.39 : x
  2. Step 2: Convert to fraction form
    1,995.15/2,753.67 = 1,156.39/x
  3. Step 3: Cross multiply
    1,995.15x = 2,753.67 × 1,156.39
  4. Step 4: Simplify right side
    1,995.15x = 3,184,316.45
  5. Step 5: Solve for x
    x = 3,184,316.45/1,995.15
  6. Step 6: Final answer
    x = 1,596.03

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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.