Home / 3,614.40-5,418.36-3,003.12

Finding the Fourth Proportional to 3,614.40, 5,418.36 and 3,003.12

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Solution

The fourth proportional to 3,614.40, 5,418.36 and 3,003.12 is: 4,501.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.40 : 5,418.36 = 3,003.12 : x
  2. Step 2: Convert to fraction form
    3,614.40/5,418.36 = 3,003.12/x
  3. Step 3: Cross multiply
    3,614.40x = 5,418.36 × 3,003.12
  4. Step 4: Simplify right side
    3,614.40x = 16,271,985.28
  5. Step 5: Solve for x
    x = 16,271,985.28/3,614.40
  6. Step 6: Final answer
    x = 4,501.99

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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.