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Finding the Fourth Proportional to 3,533.79, 5,303.19 and 1,455.69

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Solution

The fourth proportional to 3,533.79, 5,303.19 and 1,455.69 is: 2,184.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,533.79 : 5,303.19 = 1,455.69 : x
  2. Step 2: Convert to fraction form
    3,533.79/5,303.19 = 1,455.69/x
  3. Step 3: Cross multiply
    3,533.79x = 5,303.19 × 1,455.69
  4. Step 4: Simplify right side
    3,533.79x = 7,719,800.65
  5. Step 5: Solve for x
    x = 7,719,800.65/3,533.79
  6. Step 6: Final answer
    x = 2,184.57

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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.