Home / 2,519.62-3,477.09-1,472.20

Finding the Fourth Proportional to 2,519.62, 3,477.09 and 1,472.20

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Solution

The fourth proportional to 2,519.62, 3,477.09 and 1,472.20 is: 2,031.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519.62 : 3,477.09 = 1,472.20 : x
  2. Step 2: Convert to fraction form
    2,519.62/3,477.09 = 1,472.20/x
  3. Step 3: Cross multiply
    2,519.62x = 3,477.09 × 1,472.20
  4. Step 4: Simplify right side
    2,519.62x = 5,118,971.90
  5. Step 5: Solve for x
    x = 5,118,971.90/2,519.62
  6. Step 6: Final answer
    x = 2,031.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.