Home / 1,967.48-2,715.12-1,083.28

Finding the Fourth Proportional to 1,967.48, 2,715.12 and 1,083.28

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Solution

The fourth proportional to 1,967.48, 2,715.12 and 1,083.28 is: 1,494.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,967.48 : 2,715.12 = 1,083.28 : x
  2. Step 2: Convert to fraction form
    1,967.48/2,715.12 = 1,083.28/x
  3. Step 3: Cross multiply
    1,967.48x = 2,715.12 × 1,083.28
  4. Step 4: Simplify right side
    1,967.48x = 2,941,240.57
  5. Step 5: Solve for x
    x = 2,941,240.57/1,967.48
  6. Step 6: Final answer
    x = 1,494.93

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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.