Home / 2,261.12-3,396.96-1,396.16

Finding the Fourth Proportional to 2,261.12, 3,396.96 and 1,396.16

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Solution

The fourth proportional to 2,261.12, 3,396.96 and 1,396.16 is: 2,097.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261.12 : 3,396.96 = 1,396.16 : x
  2. Step 2: Convert to fraction form
    2,261.12/3,396.96 = 1,396.16/x
  3. Step 3: Cross multiply
    2,261.12x = 3,396.96 × 1,396.16
  4. Step 4: Simplify right side
    2,261.12x = 4,742,699.67
  5. Step 5: Solve for x
    x = 4,742,699.67/2,261.12
  6. Step 6: Final answer
    x = 2,097.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.