Home / 3,916.27-5,873.28-1,210.42

Finding the Fourth Proportional to 3,916.27, 5,873.28 and 1,210.42

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Solution

The fourth proportional to 3,916.27, 5,873.28 and 1,210.42 is: 1,815.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916.27 : 5,873.28 = 1,210.42 : x
  2. Step 2: Convert to fraction form
    3,916.27/5,873.28 = 1,210.42/x
  3. Step 3: Cross multiply
    3,916.27x = 5,873.28 × 1,210.42
  4. Step 4: Simplify right side
    3,916.27x = 7,109,135.58
  5. Step 5: Solve for x
    x = 7,109,135.58/3,916.27
  6. Step 6: Final answer
    x = 1,815.28

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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.