Home / 1,702.08-2,346.66-1,282.86

Finding the Fourth Proportional to 1,702.08, 2,346.66 and 1,282.86

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Solution

The fourth proportional to 1,702.08, 2,346.66 and 1,282.86 is: 1,768.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702.08 : 2,346.66 = 1,282.86 : x
  2. Step 2: Convert to fraction form
    1,702.08/2,346.66 = 1,282.86/x
  3. Step 3: Cross multiply
    1,702.08x = 2,346.66 × 1,282.86
  4. Step 4: Simplify right side
    1,702.08x = 3,010,436.25
  5. Step 5: Solve for x
    x = 3,010,436.25/1,702.08
  6. Step 6: Final answer
    x = 1,768.68

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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.