Home / 3,108.09-4,660.65-1,132.32

Finding the Fourth Proportional to 3,108.09, 4,660.65 and 1,132.32

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Solution

The fourth proportional to 3,108.09, 4,660.65 and 1,132.32 is: 1,697.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.09 : 4,660.65 = 1,132.32 : x
  2. Step 2: Convert to fraction form
    3,108.09/4,660.65 = 1,132.32/x
  3. Step 3: Cross multiply
    3,108.09x = 4,660.65 × 1,132.32
  4. Step 4: Simplify right side
    3,108.09x = 5,277,347.21
  5. Step 5: Solve for x
    x = 5,277,347.21/3,108.09
  6. Step 6: Final answer
    x = 1,697.94

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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.