Home / 3,357.08-5,031.84-1,509.20

Finding the Fourth Proportional to 3,357.08, 5,031.84 and 1,509.20

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Solution

The fourth proportional to 3,357.08, 5,031.84 and 1,509.20 is: 2,262.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,357.08 : 5,031.84 = 1,509.20 : x
  2. Step 2: Convert to fraction form
    3,357.08/5,031.84 = 1,509.20/x
  3. Step 3: Cross multiply
    3,357.08x = 5,031.84 × 1,509.20
  4. Step 4: Simplify right side
    3,357.08x = 7,594,052.93
  5. Step 5: Solve for x
    x = 7,594,052.93/3,357.08
  6. Step 6: Final answer
    x = 2,262.10

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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.