Home / 2,184.91-3,017.25-1,988.08

Finding the Fourth Proportional to 2,184.91, 3,017.25 and 1,988.08

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Solution

The fourth proportional to 2,184.91, 3,017.25 and 1,988.08 is: 2,745.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184.91 : 3,017.25 = 1,988.08 : x
  2. Step 2: Convert to fraction form
    2,184.91/3,017.25 = 1,988.08/x
  3. Step 3: Cross multiply
    2,184.91x = 3,017.25 × 1,988.08
  4. Step 4: Simplify right side
    2,184.91x = 5,998,526.84
  5. Step 5: Solve for x
    x = 5,998,526.84/2,184.91
  6. Step 6: Final answer
    x = 2,745.44

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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.