Home / 1,622.58-2,427.16-1,229.62

Finding the Fourth Proportional to 1,622.58, 2,427.16 and 1,229.62

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Solution

The fourth proportional to 1,622.58, 2,427.16 and 1,229.62 is: 1,839.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622.58 : 2,427.16 = 1,229.62 : x
  2. Step 2: Convert to fraction form
    1,622.58/2,427.16 = 1,229.62/x
  3. Step 3: Cross multiply
    1,622.58x = 2,427.16 × 1,229.62
  4. Step 4: Simplify right side
    1,622.58x = 2,984,484.48
  5. Step 5: Solve for x
    x = 2,984,484.48/1,622.58
  6. Step 6: Final answer
    x = 1,839.35

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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.