Home / 2,455.40-3,683.64-1,158.32

Finding the Fourth Proportional to 2,455.40, 3,683.64 and 1,158.32

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Solution

The fourth proportional to 2,455.40, 3,683.64 and 1,158.32 is: 1,737.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.40 : 3,683.64 = 1,158.32 : x
  2. Step 2: Convert to fraction form
    2,455.40/3,683.64 = 1,158.32/x
  3. Step 3: Cross multiply
    2,455.40x = 3,683.64 × 1,158.32
  4. Step 4: Simplify right side
    2,455.40x = 4,266,815.47
  5. Step 5: Solve for x
    x = 4,266,815.47/2,455.40
  6. Step 6: Final answer
    x = 1,737.73

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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.