Home / 3,513.83-5,270.51-1,666.43

Finding the Fourth Proportional to 3,513.83, 5,270.51 and 1,666.43

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Solution

The fourth proportional to 3,513.83, 5,270.51 and 1,666.43 is: 2,499.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.83 : 5,270.51 = 1,666.43 : x
  2. Step 2: Convert to fraction form
    3,513.83/5,270.51 = 1,666.43/x
  3. Step 3: Cross multiply
    3,513.83x = 5,270.51 × 1,666.43
  4. Step 4: Simplify right side
    3,513.83x = 8,782,913.79
  5. Step 5: Solve for x
    x = 8,782,913.79/3,513.83
  6. Step 6: Final answer
    x = 2,499.53

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1.5x scale

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.