Home / 3,467.52-5,203.47-1,387.23

Finding the Fourth Proportional to 3,467.52, 5,203.47 and 1,387.23

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Solution

The fourth proportional to 3,467.52, 5,203.47 and 1,387.23 is: 2,081.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,467.52 : 5,203.47 = 1,387.23 : x
  2. Step 2: Convert to fraction form
    3,467.52/5,203.47 = 1,387.23/x
  3. Step 3: Cross multiply
    3,467.52x = 5,203.47 × 1,387.23
  4. Step 4: Simplify right side
    3,467.52x = 7,218,409.69
  5. Step 5: Solve for x
    x = 7,218,409.69/3,467.52
  6. Step 6: Final answer
    x = 2,081.72

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1.5x scale

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.