Home / 1,237.99-1,857.33-1,006.31

Finding the Fourth Proportional to 1,237.99, 1,857.33 and 1,006.31

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Solution

The fourth proportional to 1,237.99, 1,857.33 and 1,006.31 is: 1,509.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237.99 : 1,857.33 = 1,006.31 : x
  2. Step 2: Convert to fraction form
    1,237.99/1,857.33 = 1,006.31/x
  3. Step 3: Cross multiply
    1,237.99x = 1,857.33 × 1,006.31
  4. Step 4: Simplify right side
    1,237.99x = 1,869,040.47
  5. Step 5: Solve for x
    x = 1,869,040.47/1,237.99
  6. Step 6: Final answer
    x = 1,509.74

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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.