Home / 1,623.10-2,238.87-1,063.30

Finding the Fourth Proportional to 1,623.10, 2,238.87 and 1,063.30

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Solution

The fourth proportional to 1,623.10, 2,238.87 and 1,063.30 is: 1,466.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623.10 : 2,238.87 = 1,063.30 : x
  2. Step 2: Convert to fraction form
    1,623.10/2,238.87 = 1,063.30/x
  3. Step 3: Cross multiply
    1,623.10x = 2,238.87 × 1,063.30
  4. Step 4: Simplify right side
    1,623.10x = 2,380,590.47
  5. Step 5: Solve for x
    x = 2,380,590.47/1,623.10
  6. Step 6: Final answer
    x = 1,466.69

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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.