Home / 3,851.70-5,790.44-3,039.76

Finding the Fourth Proportional to 3,851.70, 5,790.44 and 3,039.76

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Solution

The fourth proportional to 3,851.70, 5,790.44 and 3,039.76 is: 4,569.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851.70 : 5,790.44 = 3,039.76 : x
  2. Step 2: Convert to fraction form
    3,851.70/5,790.44 = 3,039.76/x
  3. Step 3: Cross multiply
    3,851.70x = 5,790.44 × 3,039.76
  4. Step 4: Simplify right side
    3,851.70x = 17,601,547.89
  5. Step 5: Solve for x
    x = 17,601,547.89/3,851.70
  6. Step 6: Final answer
    x = 4,569.81

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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.