Home / 1,046.37-1,569.55-276.87

Finding the Fourth Proportional to 1,046.37, 1,569.55 and 276.87

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Solution

The fourth proportional to 1,046.37, 1,569.55 and 276.87 is: 415.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046.37 : 1,569.55 = 276.87 : x
  2. Step 2: Convert to fraction form
    1,046.37/1,569.55 = 276.87/x
  3. Step 3: Cross multiply
    1,046.37x = 1,569.55 × 276.87
  4. Step 4: Simplify right side
    1,046.37x = 434,553.46
  5. Step 5: Solve for x
    x = 434,553.46/1,046.37
  6. Step 6: Final answer
    x = 415.30

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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.