Home / 3,680.52-5,523.12-1,340.30

Finding the Fourth Proportional to 3,680.52, 5,523.12 and 1,340.30

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Solution

The fourth proportional to 3,680.52, 5,523.12 and 1,340.30 is: 2,011.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680.52 : 5,523.12 = 1,340.30 : x
  2. Step 2: Convert to fraction form
    3,680.52/5,523.12 = 1,340.30/x
  3. Step 3: Cross multiply
    3,680.52x = 5,523.12 × 1,340.30
  4. Step 4: Simplify right side
    3,680.52x = 7,402,603.42
  5. Step 5: Solve for x
    x = 7,402,603.42/3,680.52
  6. Step 6: Final answer
    x = 2,011.29

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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.