Home / 2,961.86-4,086.08-1,702.63

Finding the Fourth Proportional to 2,961.86, 4,086.08 and 1,702.63

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Solution

The fourth proportional to 2,961.86, 4,086.08 and 1,702.63 is: 2,348.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.86 : 4,086.08 = 1,702.63 : x
  2. Step 2: Convert to fraction form
    2,961.86/4,086.08 = 1,702.63/x
  3. Step 3: Cross multiply
    2,961.86x = 4,086.08 × 1,702.63
  4. Step 4: Simplify right side
    2,961.86x = 6,957,082.39
  5. Step 5: Solve for x
    x = 6,957,082.39/2,961.86
  6. Step 6: Final answer
    x = 2,348.89

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1.5x scale

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.