Home / 3,505.40-4,837.50-1,933.46

Finding the Fourth Proportional to 3,505.40, 4,837.50 and 1,933.46

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Solution

The fourth proportional to 3,505.40, 4,837.50 and 1,933.46 is: 2,668.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.40 : 4,837.50 = 1,933.46 : x
  2. Step 2: Convert to fraction form
    3,505.40/4,837.50 = 1,933.46/x
  3. Step 3: Cross multiply
    3,505.40x = 4,837.50 × 1,933.46
  4. Step 4: Simplify right side
    3,505.40x = 9,353,112.75
  5. Step 5: Solve for x
    x = 9,353,112.75/3,505.40
  6. Step 6: Final answer
    x = 2,668.20

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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.