Home / 1,051.35-1,450.86-579.25

Finding the Fourth Proportional to 1,051.35, 1,450.86 and 579.25

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Solution

The fourth proportional to 1,051.35, 1,450.86 and 579.25 is: 799.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051.35 : 1,450.86 = 579.25 : x
  2. Step 2: Convert to fraction form
    1,051.35/1,450.86 = 579.25/x
  3. Step 3: Cross multiply
    1,051.35x = 1,450.86 × 579.25
  4. Step 4: Simplify right side
    1,051.35x = 840,403.40
  5. Step 5: Solve for x
    x = 840,403.40/1,051.35
  6. Step 6: Final answer
    x = 799.36

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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.