Home / 2,178.52-3,267.43-1,810.68

Finding the Fourth Proportional to 2,178.52, 3,267.43 and 1,810.68

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Solution

The fourth proportional to 2,178.52, 3,267.43 and 1,810.68 is: 2,715.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178.52 : 3,267.43 = 1,810.68 : x
  2. Step 2: Convert to fraction form
    2,178.52/3,267.43 = 1,810.68/x
  3. Step 3: Cross multiply
    2,178.52x = 3,267.43 × 1,810.68
  4. Step 4: Simplify right side
    2,178.52x = 5,916,273.79
  5. Step 5: Solve for x
    x = 5,916,273.79/2,178.52
  6. Step 6: Final answer
    x = 2,715.74

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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.