Home / 1,822.40-2,516.82-1,264.28

Finding the Fourth Proportional to 1,822.40, 2,516.82 and 1,264.28

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Solution

The fourth proportional to 1,822.40, 2,516.82 and 1,264.28 is: 1,746.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822.40 : 2,516.82 = 1,264.28 : x
  2. Step 2: Convert to fraction form
    1,822.40/2,516.82 = 1,264.28/x
  3. Step 3: Cross multiply
    1,822.40x = 2,516.82 × 1,264.28
  4. Step 4: Simplify right side
    1,822.40x = 3,181,965.19
  5. Step 5: Solve for x
    x = 3,181,965.19/1,822.40
  6. Step 6: Final answer
    x = 1,746.03

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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.