Home / 3,365.20-5,045.64-1,416.88

Finding the Fourth Proportional to 3,365.20, 5,045.64 and 1,416.88

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Solution

The fourth proportional to 3,365.20, 5,045.64 and 1,416.88 is: 2,124.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,365.20 : 5,045.64 = 1,416.88 : x
  2. Step 2: Convert to fraction form
    3,365.20/5,045.64 = 1,416.88/x
  3. Step 3: Cross multiply
    3,365.20x = 5,045.64 × 1,416.88
  4. Step 4: Simplify right side
    3,365.20x = 7,149,066.40
  5. Step 5: Solve for x
    x = 7,149,066.40/3,365.20
  6. Step 6: Final answer
    x = 2,124.41

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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.