Home / 1,532.45-2,299.58-558.62

Finding the Fourth Proportional to 1,532.45, 2,299.58 and 558.62

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Solution

The fourth proportional to 1,532.45, 2,299.58 and 558.62 is: 838.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532.45 : 2,299.58 = 558.62 : x
  2. Step 2: Convert to fraction form
    1,532.45/2,299.58 = 558.62/x
  3. Step 3: Cross multiply
    1,532.45x = 2,299.58 × 558.62
  4. Step 4: Simplify right side
    1,532.45x = 1,284,591.38
  5. Step 5: Solve for x
    x = 1,284,591.38/1,532.45
  6. Step 6: Final answer
    x = 838.26

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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.