Home / 3,370.51-4,648.40-2,191.15

Finding the Fourth Proportional to 3,370.51, 4,648.40 and 2,191.15

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Solution

The fourth proportional to 3,370.51, 4,648.40 and 2,191.15 is: 3,021.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370.51 : 4,648.40 = 2,191.15 : x
  2. Step 2: Convert to fraction form
    3,370.51/4,648.40 = 2,191.15/x
  3. Step 3: Cross multiply
    3,370.51x = 4,648.40 × 2,191.15
  4. Step 4: Simplify right side
    3,370.51x = 10,185,330.70
  5. Step 5: Solve for x
    x = 10,185,330.70/3,370.51
  6. Step 6: Final answer
    x = 3,021.90

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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.