Home / 2,272.18-3,135.55-1,486.21

Finding the Fourth Proportional to 2,272.18, 3,135.55 and 1,486.21

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Solution

The fourth proportional to 2,272.18, 3,135.55 and 1,486.21 is: 2,050.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,272.18 : 3,135.55 = 1,486.21 : x
  2. Step 2: Convert to fraction form
    2,272.18/3,135.55 = 1,486.21/x
  3. Step 3: Cross multiply
    2,272.18x = 3,135.55 × 1,486.21
  4. Step 4: Simplify right side
    2,272.18x = 4,660,066.37
  5. Step 5: Solve for x
    x = 4,660,066.37/2,272.18
  6. Step 6: Final answer
    x = 2,050.93

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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.