Home / 2,684.30-3,703.46-1,505.12

Finding the Fourth Proportional to 2,684.30, 3,703.46 and 1,505.12

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Solution

The fourth proportional to 2,684.30, 3,703.46 and 1,505.12 is: 2,076.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,684.30 : 3,703.46 = 1,505.12 : x
  2. Step 2: Convert to fraction form
    2,684.30/3,703.46 = 1,505.12/x
  3. Step 3: Cross multiply
    2,684.30x = 3,703.46 × 1,505.12
  4. Step 4: Simplify right side
    2,684.30x = 5,574,125.67
  5. Step 5: Solve for x
    x = 5,574,125.67/2,684.30
  6. Step 6: Final answer
    x = 2,076.57

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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.