Home / 2,637.18-3,638.82-1,705.14

Finding the Fourth Proportional to 2,637.18, 3,638.82 and 1,705.14

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Solution

The fourth proportional to 2,637.18, 3,638.82 and 1,705.14 is: 2,352.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637.18 : 3,638.82 = 1,705.14 : x
  2. Step 2: Convert to fraction form
    2,637.18/3,638.82 = 1,705.14/x
  3. Step 3: Cross multiply
    2,637.18x = 3,638.82 × 1,705.14
  4. Step 4: Simplify right side
    2,637.18x = 6,204,697.53
  5. Step 5: Solve for x
    x = 6,204,697.53/2,637.18
  6. Step 6: Final answer
    x = 2,352.78

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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.