Home / 3,420.83-4,713.90-2,371.07

Finding the Fourth Proportional to 3,420.83, 4,713.90 and 2,371.07

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Solution

The fourth proportional to 3,420.83, 4,713.90 and 2,371.07 is: 3,267.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420.83 : 4,713.90 = 2,371.07 : x
  2. Step 2: Convert to fraction form
    3,420.83/4,713.90 = 2,371.07/x
  3. Step 3: Cross multiply
    3,420.83x = 4,713.90 × 2,371.07
  4. Step 4: Simplify right side
    3,420.83x = 11,176,989.77
  5. Step 5: Solve for x
    x = 11,176,989.77/3,420.83
  6. Step 6: Final answer
    x = 3,267.33

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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.