Home / 3,490.09-4,811.40-2,371.07

Finding the Fourth Proportional to 3,490.09, 4,811.40 and 2,371.07

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Solution

The fourth proportional to 3,490.09, 4,811.40 and 2,371.07 is: 3,268.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.09 : 4,811.40 = 2,371.07 : x
  2. Step 2: Convert to fraction form
    3,490.09/4,811.40 = 2,371.07/x
  3. Step 3: Cross multiply
    3,490.09x = 4,811.40 × 2,371.07
  4. Step 4: Simplify right side
    3,490.09x = 11,408,178.23
  5. Step 5: Solve for x
    x = 11,408,178.23/3,490.09
  6. Step 6: Final answer
    x = 3,268.74

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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.