Home / 1,569.10-2,354.73-543.10

Finding the Fourth Proportional to 1,569.10, 2,354.73 and 543.10

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Solution

The fourth proportional to 1,569.10, 2,354.73 and 543.10 is: 815.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569.10 : 2,354.73 = 543.10 : x
  2. Step 2: Convert to fraction form
    1,569.10/2,354.73 = 543.10/x
  3. Step 3: Cross multiply
    1,569.10x = 2,354.73 × 543.10
  4. Step 4: Simplify right side
    1,569.10x = 1,278,839.37
  5. Step 5: Solve for x
    x = 1,278,839.37/1,569.10
  6. Step 6: Final answer
    x = 815.02

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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.