Home / 1,624.08-2,435.60-528.18

Finding the Fourth Proportional to 1,624.08, 2,435.60 and 528.18

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Solution

The fourth proportional to 1,624.08, 2,435.60 and 528.18 is: 792.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624.08 : 2,435.60 = 528.18 : x
  2. Step 2: Convert to fraction form
    1,624.08/2,435.60 = 528.18/x
  3. Step 3: Cross multiply
    1,624.08x = 2,435.60 × 528.18
  4. Step 4: Simplify right side
    1,624.08x = 1,286,435.21
  5. Step 5: Solve for x
    x = 1,286,435.21/1,624.08
  6. Step 6: Final answer
    x = 792.10

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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.