Home / 3,124.24-4,681.09-1,887.87

Finding the Fourth Proportional to 3,124.24, 4,681.09 and 1,887.87

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Solution

The fourth proportional to 3,124.24, 4,681.09 and 1,887.87 is: 2,828.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.24 : 4,681.09 = 1,887.87 : x
  2. Step 2: Convert to fraction form
    3,124.24/4,681.09 = 1,887.87/x
  3. Step 3: Cross multiply
    3,124.24x = 4,681.09 × 1,887.87
  4. Step 4: Simplify right side
    3,124.24x = 8,837,309.29
  5. Step 5: Solve for x
    x = 8,837,309.29/3,124.24
  6. Step 6: Final answer
    x = 2,828.63

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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.