Home / 3,509.37-5,265.27-1,561.32

Finding the Fourth Proportional to 3,509.37, 5,265.27 and 1,561.32

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Solution

The fourth proportional to 3,509.37, 5,265.27 and 1,561.32 is: 2,342.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509.37 : 5,265.27 = 1,561.32 : x
  2. Step 2: Convert to fraction form
    3,509.37/5,265.27 = 1,561.32/x
  3. Step 3: Cross multiply
    3,509.37x = 5,265.27 × 1,561.32
  4. Step 4: Simplify right side
    3,509.37x = 8,220,771.36
  5. Step 5: Solve for x
    x = 8,220,771.36/3,509.37
  6. Step 6: Final answer
    x = 2,342.52

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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.