Home / 1,967.60-2,715.32-1,083.39

Finding the Fourth Proportional to 1,967.60, 2,715.32 and 1,083.39

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Solution

The fourth proportional to 1,967.60, 2,715.32 and 1,083.39 is: 1,495.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,967.60 : 2,715.32 = 1,083.39 : x
  2. Step 2: Convert to fraction form
    1,967.60/2,715.32 = 1,083.39/x
  3. Step 3: Cross multiply
    1,967.60x = 2,715.32 × 1,083.39
  4. Step 4: Simplify right side
    1,967.60x = 2,941,745.12
  5. Step 5: Solve for x
    x = 2,941,745.12/1,967.60
  6. Step 6: Final answer
    x = 1,495.10

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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.