Home / 2,864.64-4,296.68-918.24

Finding the Fourth Proportional to 2,864.64, 4,296.68 and 918.24

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Solution

The fourth proportional to 2,864.64, 4,296.68 and 918.24 is: 1,377.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864.64 : 4,296.68 = 918.24 : x
  2. Step 2: Convert to fraction form
    2,864.64/4,296.68 = 918.24/x
  3. Step 3: Cross multiply
    2,864.64x = 4,296.68 × 918.24
  4. Step 4: Simplify right side
    2,864.64x = 3,945,383.44
  5. Step 5: Solve for x
    x = 3,945,383.44/2,864.64
  6. Step 6: Final answer
    x = 1,377.27

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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.