Home / 1,056.24-1,584.23-276.21

Finding the Fourth Proportional to 1,056.24, 1,584.23 and 276.21

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Solution

The fourth proportional to 1,056.24, 1,584.23 and 276.21 is: 414.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056.24 : 1,584.23 = 276.21 : x
  2. Step 2: Convert to fraction form
    1,056.24/1,584.23 = 276.21/x
  3. Step 3: Cross multiply
    1,056.24x = 1,584.23 × 276.21
  4. Step 4: Simplify right side
    1,056.24x = 437,578.79
  5. Step 5: Solve for x
    x = 437,578.79/1,056.24
  6. Step 6: Final answer
    x = 414.28

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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.