Home / 2,740.06-4,110.83-985.24

Finding the Fourth Proportional to 2,740.06, 4,110.83 and 985.24

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Solution

The fourth proportional to 2,740.06, 4,110.83 and 985.24 is: 1,478.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.06 : 4,110.83 = 985.24 : x
  2. Step 2: Convert to fraction form
    2,740.06/4,110.83 = 985.24/x
  3. Step 3: Cross multiply
    2,740.06x = 4,110.83 × 985.24
  4. Step 4: Simplify right side
    2,740.06x = 4,050,154.15
  5. Step 5: Solve for x
    x = 4,050,154.15/2,740.06
  6. Step 6: Final answer
    x = 1,478.13

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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.