Home / 3,533.80-5,302.50-1,455.40

Finding the Fourth Proportional to 3,533.80, 5,302.50 and 1,455.40

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Solution

The fourth proportional to 3,533.80, 5,302.50 and 1,455.40 is: 2,183.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,533.80 : 5,302.50 = 1,455.40 : x
  2. Step 2: Convert to fraction form
    3,533.80/5,302.50 = 1,455.40/x
  3. Step 3: Cross multiply
    3,533.80x = 5,302.50 × 1,455.40
  4. Step 4: Simplify right side
    3,533.80x = 7,717,258.50
  5. Step 5: Solve for x
    x = 7,717,258.50/3,533.80
  6. Step 6: Final answer
    x = 2,183.84

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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.