Home / 3,716.69-5,577.18-1,378.34

Finding the Fourth Proportional to 3,716.69, 5,577.18 and 1,378.34

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Solution

The fourth proportional to 3,716.69, 5,577.18 and 1,378.34 is: 2,068.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,716.69 : 5,577.18 = 1,378.34 : x
  2. Step 2: Convert to fraction form
    3,716.69/5,577.18 = 1,378.34/x
  3. Step 3: Cross multiply
    3,716.69x = 5,577.18 × 1,378.34
  4. Step 4: Simplify right side
    3,716.69x = 7,687,222.40
  5. Step 5: Solve for x
    x = 7,687,222.40/3,716.69
  6. Step 6: Final answer
    x = 2,068.30

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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.