Home / 1,840.55-2,540.04-1,177.34

Finding the Fourth Proportional to 1,840.55, 2,540.04 and 1,177.34

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Solution

The fourth proportional to 1,840.55, 2,540.04 and 1,177.34 is: 1,624.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840.55 : 2,540.04 = 1,177.34 : x
  2. Step 2: Convert to fraction form
    1,840.55/2,540.04 = 1,177.34/x
  3. Step 3: Cross multiply
    1,840.55x = 2,540.04 × 1,177.34
  4. Step 4: Simplify right side
    1,840.55x = 2,990,490.69
  5. Step 5: Solve for x
    x = 2,990,490.69/1,840.55
  6. Step 6: Final answer
    x = 1,624.78

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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.