Home / 3,339.11-5,009.20-1,147.32

Finding the Fourth Proportional to 3,339.11, 5,009.20 and 1,147.32

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Solution

The fourth proportional to 3,339.11, 5,009.20 and 1,147.32 is: 1,721.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,339.11 : 5,009.20 = 1,147.32 : x
  2. Step 2: Convert to fraction form
    3,339.11/5,009.20 = 1,147.32/x
  3. Step 3: Cross multiply
    3,339.11x = 5,009.20 × 1,147.32
  4. Step 4: Simplify right side
    3,339.11x = 5,747,155.34
  5. Step 5: Solve for x
    x = 5,747,155.34/3,339.11
  6. Step 6: Final answer
    x = 1,721.16

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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.