Home / 3,428.43-5,108.48-3,060.40

Finding the Fourth Proportional to 3,428.43, 5,108.48 and 3,060.40

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Solution

The fourth proportional to 3,428.43, 5,108.48 and 3,060.40 is: 4,560.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.43 : 5,108.48 = 3,060.40 : x
  2. Step 2: Convert to fraction form
    3,428.43/5,108.48 = 3,060.40/x
  3. Step 3: Cross multiply
    3,428.43x = 5,108.48 × 3,060.40
  4. Step 4: Simplify right side
    3,428.43x = 15,634,002.39
  5. Step 5: Solve for x
    x = 15,634,002.39/3,428.43
  6. Step 6: Final answer
    x = 4,560.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.