Home / 1,821.52-2,513.16-1,035.28

Finding the Fourth Proportional to 1,821.52, 2,513.16 and 1,035.28

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Solution

The fourth proportional to 1,821.52, 2,513.16 and 1,035.28 is: 1,428.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821.52 : 2,513.16 = 1,035.28 : x
  2. Step 2: Convert to fraction form
    1,821.52/2,513.16 = 1,035.28/x
  3. Step 3: Cross multiply
    1,821.52x = 2,513.16 × 1,035.28
  4. Step 4: Simplify right side
    1,821.52x = 2,601,824.28
  5. Step 5: Solve for x
    x = 2,601,824.28/1,821.52
  6. Step 6: Final answer
    x = 1,428.38

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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.