Home / 3,378.01-5,066.78-1,156.63

Finding the Fourth Proportional to 3,378.01, 5,066.78 and 1,156.63

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Solution

The fourth proportional to 3,378.01, 5,066.78 and 1,156.63 is: 1,734.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.01 : 5,066.78 = 1,156.63 : x
  2. Step 2: Convert to fraction form
    3,378.01/5,066.78 = 1,156.63/x
  3. Step 3: Cross multiply
    3,378.01x = 5,066.78 × 1,156.63
  4. Step 4: Simplify right side
    3,378.01x = 5,860,389.75
  5. Step 5: Solve for x
    x = 5,860,389.75/3,378.01
  6. Step 6: Final answer
    x = 1,734.86

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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.