Home / 2,515.92-3,473.70-1,572.12

Finding the Fourth Proportional to 2,515.92, 3,473.70 and 1,572.12

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Solution

The fourth proportional to 2,515.92, 3,473.70 and 1,572.12 is: 2,170.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,515.92 : 3,473.70 = 1,572.12 : x
  2. Step 2: Convert to fraction form
    2,515.92/3,473.70 = 1,572.12/x
  3. Step 3: Cross multiply
    2,515.92x = 3,473.70 × 1,572.12
  4. Step 4: Simplify right side
    2,515.92x = 5,461,073.24
  5. Step 5: Solve for x
    x = 5,461,073.24/2,515.92
  6. Step 6: Final answer
    x = 2,170.61

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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.