Home / 1,337.24-2,005.70-557.36

Finding the Fourth Proportional to 1,337.24, 2,005.70 and 557.36

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Solution

The fourth proportional to 1,337.24, 2,005.70 and 557.36 is: 835.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337.24 : 2,005.70 = 557.36 : x
  2. Step 2: Convert to fraction form
    1,337.24/2,005.70 = 557.36/x
  3. Step 3: Cross multiply
    1,337.24x = 2,005.70 × 557.36
  4. Step 4: Simplify right side
    1,337.24x = 1,117,896.95
  5. Step 5: Solve for x
    x = 1,117,896.95/1,337.24
  6. Step 6: Final answer
    x = 835.97

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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.