Home / 2,875.71-4,307.90-2,673.21

Finding the Fourth Proportional to 2,875.71, 4,307.90 and 2,673.21

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Solution

The fourth proportional to 2,875.71, 4,307.90 and 2,673.21 is: 4,004.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875.71 : 4,307.90 = 2,673.21 : x
  2. Step 2: Convert to fraction form
    2,875.71/4,307.90 = 2,673.21/x
  3. Step 3: Cross multiply
    2,875.71x = 4,307.90 × 2,673.21
  4. Step 4: Simplify right side
    2,875.71x = 11,515,907.99
  5. Step 5: Solve for x
    x = 11,515,907.99/2,875.71
  6. Step 6: Final answer
    x = 4,004.54

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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.