Home / 1,658.05-2,287.36-1,126.28

Finding the Fourth Proportional to 1,658.05, 2,287.36 and 1,126.28

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Solution

The fourth proportional to 1,658.05, 2,287.36 and 1,126.28 is: 1,553.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658.05 : 2,287.36 = 1,126.28 : x
  2. Step 2: Convert to fraction form
    1,658.05/2,287.36 = 1,126.28/x
  3. Step 3: Cross multiply
    1,658.05x = 2,287.36 × 1,126.28
  4. Step 4: Simplify right side
    1,658.05x = 2,576,207.82
  5. Step 5: Solve for x
    x = 2,576,207.82/1,658.05
  6. Step 6: Final answer
    x = 1,553.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.