Home / 2,314.16-3,192.99-1,319.48

Finding the Fourth Proportional to 2,314.16, 3,192.99 and 1,319.48

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Solution

The fourth proportional to 2,314.16, 3,192.99 and 1,319.48 is: 1,820.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,314.16 : 3,192.99 = 1,319.48 : x
  2. Step 2: Convert to fraction form
    2,314.16/3,192.99 = 1,319.48/x
  3. Step 3: Cross multiply
    2,314.16x = 3,192.99 × 1,319.48
  4. Step 4: Simplify right side
    2,314.16x = 4,213,086.45
  5. Step 5: Solve for x
    x = 4,213,086.45/2,314.16
  6. Step 6: Final answer
    x = 1,820.57

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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.