Home / 2,187.62-3,262.96-1,859.30

Finding the Fourth Proportional to 2,187.62, 3,262.96 and 1,859.30

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Solution

The fourth proportional to 2,187.62, 3,262.96 and 1,859.30 is: 2,773.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187.62 : 3,262.96 = 1,859.30 : x
  2. Step 2: Convert to fraction form
    2,187.62/3,262.96 = 1,859.30/x
  3. Step 3: Cross multiply
    2,187.62x = 3,262.96 × 1,859.30
  4. Step 4: Simplify right side
    2,187.62x = 6,066,821.53
  5. Step 5: Solve for x
    x = 6,066,821.53/2,187.62
  6. Step 6: Final answer
    x = 2,773.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.