Home / 2,686.59-4,028.36-1,369.53

Finding the Fourth Proportional to 2,686.59, 4,028.36 and 1,369.53

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Solution

The fourth proportional to 2,686.59, 4,028.36 and 1,369.53 is: 2,053.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686.59 : 4,028.36 = 1,369.53 : x
  2. Step 2: Convert to fraction form
    2,686.59/4,028.36 = 1,369.53/x
  3. Step 3: Cross multiply
    2,686.59x = 4,028.36 × 1,369.53
  4. Step 4: Simplify right side
    2,686.59x = 5,516,953.02
  5. Step 5: Solve for x
    x = 5,516,953.02/2,686.59
  6. Step 6: Final answer
    x = 2,053.52

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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.