Home / 2,178.32-3,273.96-2,017.40

Finding the Fourth Proportional to 2,178.32, 3,273.96 and 2,017.40

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Solution

The fourth proportional to 2,178.32, 3,273.96 and 2,017.40 is: 3,032.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178.32 : 3,273.96 = 2,017.40 : x
  2. Step 2: Convert to fraction form
    2,178.32/3,273.96 = 2,017.40/x
  3. Step 3: Cross multiply
    2,178.32x = 3,273.96 × 2,017.40
  4. Step 4: Simplify right side
    2,178.32x = 6,604,886.90
  5. Step 5: Solve for x
    x = 6,604,886.90/2,178.32
  6. Step 6: Final answer
    x = 3,032.10

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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.