Home / 3,290.40-4,533.03-2,293.86

Finding the Fourth Proportional to 3,290.40, 4,533.03 and 2,293.86

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Solution

The fourth proportional to 3,290.40, 4,533.03 and 2,293.86 is: 3,160.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.40 : 4,533.03 = 2,293.86 : x
  2. Step 2: Convert to fraction form
    3,290.40/4,533.03 = 2,293.86/x
  3. Step 3: Cross multiply
    3,290.40x = 4,533.03 × 2,293.86
  4. Step 4: Simplify right side
    3,290.40x = 10,398,136.20
  5. Step 5: Solve for x
    x = 10,398,136.20/3,290.40
  6. Step 6: Final answer
    x = 3,160.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.