Home / 2,702.25-3,728.85-1,707.16

Finding the Fourth Proportional to 2,702.25, 3,728.85 and 1,707.16

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Solution

The fourth proportional to 2,702.25, 3,728.85 and 1,707.16 is: 2,355.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,702.25 : 3,728.85 = 1,707.16 : x
  2. Step 2: Convert to fraction form
    2,702.25/3,728.85 = 1,707.16/x
  3. Step 3: Cross multiply
    2,702.25x = 3,728.85 × 1,707.16
  4. Step 4: Simplify right side
    2,702.25x = 6,365,743.57
  5. Step 5: Solve for x
    x = 6,365,743.57/2,702.25
  6. Step 6: Final answer
    x = 2,355.72

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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.