Home / 2,683.35-3,702.51-1,620.90

Finding the Fourth Proportional to 2,683.35, 3,702.51 and 1,620.90

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Solution

The fourth proportional to 2,683.35, 3,702.51 and 1,620.90 is: 2,236.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,683.35 : 3,702.51 = 1,620.90 : x
  2. Step 2: Convert to fraction form
    2,683.35/3,702.51 = 1,620.90/x
  3. Step 3: Cross multiply
    2,683.35x = 3,702.51 × 1,620.90
  4. Step 4: Simplify right side
    2,683.35x = 6,001,398.46
  5. Step 5: Solve for x
    x = 6,001,398.46/2,683.35
  6. Step 6: Final answer
    x = 2,236.53

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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.