Home / 1,569.25-2,354.24-543.25

Finding the Fourth Proportional to 1,569.25, 2,354.24 and 543.25

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Solution

The fourth proportional to 1,569.25, 2,354.24 and 543.25 is: 815.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569.25 : 2,354.24 = 543.25 : x
  2. Step 2: Convert to fraction form
    1,569.25/2,354.24 = 543.25/x
  3. Step 3: Cross multiply
    1,569.25x = 2,354.24 × 543.25
  4. Step 4: Simplify right side
    1,569.25x = 1,278,940.88
  5. Step 5: Solve for x
    x = 1,278,940.88/1,569.25
  6. Step 6: Final answer
    x = 815.00

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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.