Home / 1,450.31-2,175.73-476.28

Finding the Fourth Proportional to 1,450.31, 2,175.73 and 476.28

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Solution

The fourth proportional to 1,450.31, 2,175.73 and 476.28 is: 714.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450.31 : 2,175.73 = 476.28 : x
  2. Step 2: Convert to fraction form
    1,450.31/2,175.73 = 476.28/x
  3. Step 3: Cross multiply
    1,450.31x = 2,175.73 × 476.28
  4. Step 4: Simplify right side
    1,450.31x = 1,036,255.49
  5. Step 5: Solve for x
    x = 1,036,255.49/1,450.31
  6. Step 6: Final answer
    x = 714.51

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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.