Home / 2,702.91-3,735.45-2,039.52

Finding the Fourth Proportional to 2,702.91, 3,735.45 and 2,039.52

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Solution

The fourth proportional to 2,702.91, 3,735.45 and 2,039.52 is: 2,818.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,702.91 : 3,735.45 = 2,039.52 : x
  2. Step 2: Convert to fraction form
    2,702.91/3,735.45 = 2,039.52/x
  3. Step 3: Cross multiply
    2,702.91x = 3,735.45 × 2,039.52
  4. Step 4: Simplify right side
    2,702.91x = 7,618,524.98
  5. Step 5: Solve for x
    x = 7,618,524.98/2,702.91
  6. Step 6: Final answer
    x = 2,818.64

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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.