Home / 2,476.11-3,420.36-1,982.19

Finding the Fourth Proportional to 2,476.11, 3,420.36 and 1,982.19

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Solution

The fourth proportional to 2,476.11, 3,420.36 and 1,982.19 is: 2,738.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,476.11 : 3,420.36 = 1,982.19 : x
  2. Step 2: Convert to fraction form
    2,476.11/3,420.36 = 1,982.19/x
  3. Step 3: Cross multiply
    2,476.11x = 3,420.36 × 1,982.19
  4. Step 4: Simplify right side
    2,476.11x = 6,779,803.39
  5. Step 5: Solve for x
    x = 6,779,803.39/2,476.11
  6. Step 6: Final answer
    x = 2,738.09

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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.