Home / 3,360.57-4,638.16-1,945.13

Finding the Fourth Proportional to 3,360.57, 4,638.16 and 1,945.13

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Solution

The fourth proportional to 3,360.57, 4,638.16 and 1,945.13 is: 2,684.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.57 : 4,638.16 = 1,945.13 : x
  2. Step 2: Convert to fraction form
    3,360.57/4,638.16 = 1,945.13/x
  3. Step 3: Cross multiply
    3,360.57x = 4,638.16 × 1,945.13
  4. Step 4: Simplify right side
    3,360.57x = 9,021,799.75
  5. Step 5: Solve for x
    x = 9,021,799.75/3,360.57
  6. Step 6: Final answer
    x = 2,684.60

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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.