Home / 2,302.20-3,453.78-841.35

Finding the Fourth Proportional to 2,302.20, 3,453.78 and 841.35

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Solution

The fourth proportional to 2,302.20, 3,453.78 and 841.35 is: 1,262.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,302.20 : 3,453.78 = 841.35 : x
  2. Step 2: Convert to fraction form
    2,302.20/3,453.78 = 841.35/x
  3. Step 3: Cross multiply
    2,302.20x = 3,453.78 × 841.35
  4. Step 4: Simplify right side
    2,302.20x = 2,905,837.80
  5. Step 5: Solve for x
    x = 2,905,837.80/2,302.20
  6. Step 6: Final answer
    x = 1,262.20

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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.