Home / 3,509.13-5,265.23-1,661.56

Finding the Fourth Proportional to 3,509.13, 5,265.23 and 1,661.56

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Solution

The fourth proportional to 3,509.13, 5,265.23 and 1,661.56 is: 2,493.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509.13 : 5,265.23 = 1,661.56 : x
  2. Step 2: Convert to fraction form
    3,509.13/5,265.23 = 1,661.56/x
  3. Step 3: Cross multiply
    3,509.13x = 5,265.23 × 1,661.56
  4. Step 4: Simplify right side
    3,509.13x = 8,748,495.56
  5. Step 5: Solve for x
    x = 8,748,495.56/3,509.13
  6. Step 6: Final answer
    x = 2,493.07

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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.