Home / 3,484.11-4,808.18-1,971.56

Finding the Fourth Proportional to 3,484.11, 4,808.18 and 1,971.56

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Solution

The fourth proportional to 3,484.11, 4,808.18 and 1,971.56 is: 2,720.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,484.11 : 4,808.18 = 1,971.56 : x
  2. Step 2: Convert to fraction form
    3,484.11/4,808.18 = 1,971.56/x
  3. Step 3: Cross multiply
    3,484.11x = 4,808.18 × 1,971.56
  4. Step 4: Simplify right side
    3,484.11x = 9,479,594.17
  5. Step 5: Solve for x
    x = 9,479,594.17/3,484.11
  6. Step 6: Final answer
    x = 2,720.81

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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.