Home / 1,667.03-2,500.59-571.38

Finding the Fourth Proportional to 1,667.03, 2,500.59 and 571.38

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Solution

The fourth proportional to 1,667.03, 2,500.59 and 571.38 is: 857.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,667.03 : 2,500.59 = 571.38 : x
  2. Step 2: Convert to fraction form
    1,667.03/2,500.59 = 571.38/x
  3. Step 3: Cross multiply
    1,667.03x = 2,500.59 × 571.38
  4. Step 4: Simplify right side
    1,667.03x = 1,428,787.11
  5. Step 5: Solve for x
    x = 1,428,787.11/1,667.03
  6. Step 6: Final answer
    x = 857.09

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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.