Home / 2,520.26-3,477.96-1,472.12

Finding the Fourth Proportional to 2,520.26, 3,477.96 and 1,472.12

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Solution

The fourth proportional to 2,520.26, 3,477.96 and 1,472.12 is: 2,031.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,520.26 : 3,477.96 = 1,472.12 : x
  2. Step 2: Convert to fraction form
    2,520.26/3,477.96 = 1,472.12/x
  3. Step 3: Cross multiply
    2,520.26x = 3,477.96 × 1,472.12
  4. Step 4: Simplify right side
    2,520.26x = 5,119,974.48
  5. Step 5: Solve for x
    x = 5,119,974.48/2,520.26
  6. Step 6: Final answer
    x = 2,031.53

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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.