Home / 2,741.02-4,109.14-985.75

Finding the Fourth Proportional to 2,741.02, 4,109.14 and 985.75

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Solution

The fourth proportional to 2,741.02, 4,109.14 and 985.75 is: 1,477.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,741.02 : 4,109.14 = 985.75 : x
  2. Step 2: Convert to fraction form
    2,741.02/4,109.14 = 985.75/x
  3. Step 3: Cross multiply
    2,741.02x = 4,109.14 × 985.75
  4. Step 4: Simplify right side
    2,741.02x = 4,050,584.76
  5. Step 5: Solve for x
    x = 4,050,584.76/2,741.02
  6. Step 6: Final answer
    x = 1,477.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.