Home / 3,154.48-4,732.80-1,207.24

Finding the Fourth Proportional to 3,154.48, 4,732.80 and 1,207.24

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Solution

The fourth proportional to 3,154.48, 4,732.80 and 1,207.24 is: 1,811.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.48 : 4,732.80 = 1,207.24 : x
  2. Step 2: Convert to fraction form
    3,154.48/4,732.80 = 1,207.24/x
  3. Step 3: Cross multiply
    3,154.48x = 4,732.80 × 1,207.24
  4. Step 4: Simplify right side
    3,154.48x = 5,713,625.47
  5. Step 5: Solve for x
    x = 5,713,625.47/3,154.48
  6. Step 6: Final answer
    x = 1,811.27

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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.