Home / 2,302.59-3,445.38-1,378.80

Finding the Fourth Proportional to 2,302.59, 3,445.38 and 1,378.80

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Solution

The fourth proportional to 2,302.59, 3,445.38 and 1,378.80 is: 2,063.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,302.59 : 3,445.38 = 1,378.80 : x
  2. Step 2: Convert to fraction form
    2,302.59/3,445.38 = 1,378.80/x
  3. Step 3: Cross multiply
    2,302.59x = 3,445.38 × 1,378.80
  4. Step 4: Simplify right side
    2,302.59x = 4,750,489.94
  5. Step 5: Solve for x
    x = 4,750,489.94/2,302.59
  6. Step 6: Final answer
    x = 2,063.11

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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.