Home / 1,450.12-2,175.18-525.68

Finding the Fourth Proportional to 1,450.12, 2,175.18 and 525.68

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Solution

The fourth proportional to 1,450.12, 2,175.18 and 525.68 is: 788.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450.12 : 2,175.18 = 525.68 : x
  2. Step 2: Convert to fraction form
    1,450.12/2,175.18 = 525.68/x
  3. Step 3: Cross multiply
    1,450.12x = 2,175.18 × 525.68
  4. Step 4: Simplify right side
    1,450.12x = 1,143,448.62
  5. Step 5: Solve for x
    x = 1,143,448.62/1,450.12
  6. Step 6: Final answer
    x = 788.52

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Double scale
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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.