Home / 3,215.92-4,820.56-1,462.14

Finding the Fourth Proportional to 3,215.92, 4,820.56 and 1,462.14

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Solution

The fourth proportional to 3,215.92, 4,820.56 and 1,462.14 is: 2,191.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.92 : 4,820.56 = 1,462.14 : x
  2. Step 2: Convert to fraction form
    3,215.92/4,820.56 = 1,462.14/x
  3. Step 3: Cross multiply
    3,215.92x = 4,820.56 × 1,462.14
  4. Step 4: Simplify right side
    3,215.92x = 7,048,302.18
  5. Step 5: Solve for x
    x = 7,048,302.18/3,215.92
  6. Step 6: Final answer
    x = 2,191.69

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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.