Home / 2,318.02-3,471.90-1,666.78

Finding the Fourth Proportional to 2,318.02, 3,471.90 and 1,666.78

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Solution

The fourth proportional to 2,318.02, 3,471.90 and 1,666.78 is: 2,496.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.02 : 3,471.90 = 1,666.78 : x
  2. Step 2: Convert to fraction form
    2,318.02/3,471.90 = 1,666.78/x
  3. Step 3: Cross multiply
    2,318.02x = 3,471.90 × 1,666.78
  4. Step 4: Simplify right side
    2,318.02x = 5,786,893.48
  5. Step 5: Solve for x
    x = 5,786,893.48/2,318.02
  6. Step 6: Final answer
    x = 2,496.48

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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.