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Finding the Fourth Proportional to 1,807.37, 2,711.02 and 574.85

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Solution

The fourth proportional to 1,807.37, 2,711.02 and 574.85 is: 862.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807.37 : 2,711.02 = 574.85 : x
  2. Step 2: Convert to fraction form
    1,807.37/2,711.02 = 574.85/x
  3. Step 3: Cross multiply
    1,807.37x = 2,711.02 × 574.85
  4. Step 4: Simplify right side
    1,807.37x = 1,558,429.85
  5. Step 5: Solve for x
    x = 1,558,429.85/1,807.37
  6. Step 6: Final answer
    x = 862.26

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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.