Home / 2,014.40-3,015.84-1,396.16

Finding the Fourth Proportional to 2,014.40, 3,015.84 and 1,396.16

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Solution

The fourth proportional to 2,014.40, 3,015.84 and 1,396.16 is: 2,090.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,014.40 : 3,015.84 = 1,396.16 : x
  2. Step 2: Convert to fraction form
    2,014.40/3,015.84 = 1,396.16/x
  3. Step 3: Cross multiply
    2,014.40x = 3,015.84 × 1,396.16
  4. Step 4: Simplify right side
    2,014.40x = 4,210,595.17
  5. Step 5: Solve for x
    x = 4,210,595.17/2,014.40
  6. Step 6: Final answer
    x = 2,090.25

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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.