Home / 2,441.18-3,368.76-1,378.99

Finding the Fourth Proportional to 2,441.18, 3,368.76 and 1,378.99

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Solution

The fourth proportional to 2,441.18, 3,368.76 and 1,378.99 is: 1,902.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,441.18 : 3,368.76 = 1,378.99 : x
  2. Step 2: Convert to fraction form
    2,441.18/3,368.76 = 1,378.99/x
  3. Step 3: Cross multiply
    2,441.18x = 3,368.76 × 1,378.99
  4. Step 4: Simplify right side
    2,441.18x = 4,645,486.35
  5. Step 5: Solve for x
    x = 4,645,486.35/2,441.18
  6. Step 6: Final answer
    x = 1,902.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.