Home / 2,505.14-3,456.69-1,572.98

Finding the Fourth Proportional to 2,505.14, 3,456.69 and 1,572.98

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Solution

The fourth proportional to 2,505.14, 3,456.69 and 1,572.98 is: 2,170.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,505.14 : 3,456.69 = 1,572.98 : x
  2. Step 2: Convert to fraction form
    2,505.14/3,456.69 = 1,572.98/x
  3. Step 3: Cross multiply
    2,505.14x = 3,456.69 × 1,572.98
  4. Step 4: Simplify right side
    2,505.14x = 5,437,304.24
  5. Step 5: Solve for x
    x = 5,437,304.24/2,505.14
  6. Step 6: Final answer
    x = 2,170.46

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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.