Home / 3,580.20-5,397.12-3,342.36

Finding the Fourth Proportional to 3,580.20, 5,397.12 and 3,342.36

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Solution

The fourth proportional to 3,580.20, 5,397.12 and 3,342.36 is: 5,038.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.20 : 5,397.12 = 3,342.36 : x
  2. Step 2: Convert to fraction form
    3,580.20/5,397.12 = 3,342.36/x
  3. Step 3: Cross multiply
    3,580.20x = 5,397.12 × 3,342.36
  4. Step 4: Simplify right side
    3,580.20x = 18,039,118.00
  5. Step 5: Solve for x
    x = 18,039,118.00/3,580.20
  6. Step 6: Final answer
    x = 5,038.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.