Home / 3,378.18-5,068.14-1,817.49

Finding the Fourth Proportional to 3,378.18, 5,068.14 and 1,817.49

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Solution

The fourth proportional to 3,378.18, 5,068.14 and 1,817.49 is: 2,726.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.18 : 5,068.14 = 1,817.49 : x
  2. Step 2: Convert to fraction form
    3,378.18/5,068.14 = 1,817.49/x
  3. Step 3: Cross multiply
    3,378.18x = 5,068.14 × 1,817.49
  4. Step 4: Simplify right side
    3,378.18x = 9,211,293.77
  5. Step 5: Solve for x
    x = 9,211,293.77/3,378.18
  6. Step 6: Final answer
    x = 2,726.70

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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.