Home / 1,450.30-2,175.57-410.31

Finding the Fourth Proportional to 1,450.30, 2,175.57 and 410.31

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Solution

The fourth proportional to 1,450.30, 2,175.57 and 410.31 is: 615.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450.30 : 2,175.57 = 410.31 : x
  2. Step 2: Convert to fraction form
    1,450.30/2,175.57 = 410.31/x
  3. Step 3: Cross multiply
    1,450.30x = 2,175.57 × 410.31
  4. Step 4: Simplify right side
    1,450.30x = 892,662.38
  5. Step 5: Solve for x
    x = 892,662.38/1,450.30
  6. Step 6: Final answer
    x = 615.50

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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.