Home / 2,159.20-3,232.08-2,017.12

Finding the Fourth Proportional to 2,159.20, 3,232.08 and 2,017.12

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Solution

The fourth proportional to 2,159.20, 3,232.08 and 2,017.12 is: 3,019.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159.20 : 3,232.08 = 2,017.12 : x
  2. Step 2: Convert to fraction form
    2,159.20/3,232.08 = 2,017.12/x
  3. Step 3: Cross multiply
    2,159.20x = 3,232.08 × 2,017.12
  4. Step 4: Simplify right side
    2,159.20x = 6,519,493.21
  5. Step 5: Solve for x
    x = 6,519,493.21/2,159.20
  6. Step 6: Final answer
    x = 3,019.40

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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.