Home / 1,624.16-2,435.68-528.25

Finding the Fourth Proportional to 1,624.16, 2,435.68 and 528.25

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Solution

The fourth proportional to 1,624.16, 2,435.68 and 528.25 is: 792.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624.16 : 2,435.68 = 528.25 : x
  2. Step 2: Convert to fraction form
    1,624.16/2,435.68 = 528.25/x
  3. Step 3: Cross multiply
    1,624.16x = 2,435.68 × 528.25
  4. Step 4: Simplify right side
    1,624.16x = 1,286,647.96
  5. Step 5: Solve for x
    x = 1,286,647.96/1,624.16
  6. Step 6: Final answer
    x = 792.19

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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.