Home / 1,369.44-2,055.60-1,337.76

Finding the Fourth Proportional to 1,369.44, 2,055.60 and 1,337.76

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Solution

The fourth proportional to 1,369.44, 2,055.60 and 1,337.76 is: 2,008.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369.44 : 2,055.60 = 1,337.76 : x
  2. Step 2: Convert to fraction form
    1,369.44/2,055.60 = 1,337.76/x
  3. Step 3: Cross multiply
    1,369.44x = 2,055.60 × 1,337.76
  4. Step 4: Simplify right side
    1,369.44x = 2,749,899.46
  5. Step 5: Solve for x
    x = 2,749,899.46/1,369.44
  6. Step 6: Final answer
    x = 2,008.05

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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.