Home / 2,790.06-4,185.47-941.70

Finding the Fourth Proportional to 2,790.06, 4,185.47 and 941.70

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Solution

The fourth proportional to 2,790.06, 4,185.47 and 941.70 is: 1,412.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790.06 : 4,185.47 = 941.70 : x
  2. Step 2: Convert to fraction form
    2,790.06/4,185.47 = 941.70/x
  3. Step 3: Cross multiply
    2,790.06x = 4,185.47 × 941.70
  4. Step 4: Simplify right side
    2,790.06x = 3,941,459.45
  5. Step 5: Solve for x
    x = 3,941,459.45/2,790.06
  6. Step 6: Final answer
    x = 1,412.68

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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.