Home / 2,961.47-4,087.15-1,702.58

Finding the Fourth Proportional to 2,961.47, 4,087.15 and 1,702.58

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Solution

The fourth proportional to 2,961.47, 4,087.15 and 1,702.58 is: 2,349.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.47 : 4,087.15 = 1,702.58 : x
  2. Step 2: Convert to fraction form
    2,961.47/4,087.15 = 1,702.58/x
  3. Step 3: Cross multiply
    2,961.47x = 4,087.15 × 1,702.58
  4. Step 4: Simplify right side
    2,961.47x = 6,958,699.85
  5. Step 5: Solve for x
    x = 6,958,699.85/2,961.47
  6. Step 6: Final answer
    x = 2,349.75

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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.