Home / 3,582.74-4,943.54-2,166.05

Finding the Fourth Proportional to 3,582.74, 4,943.54 and 2,166.05

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Solution

The fourth proportional to 3,582.74, 4,943.54 and 2,166.05 is: 2,988.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,582.74 : 4,943.54 = 2,166.05 : x
  2. Step 2: Convert to fraction form
    3,582.74/4,943.54 = 2,166.05/x
  3. Step 3: Cross multiply
    3,582.74x = 4,943.54 × 2,166.05
  4. Step 4: Simplify right side
    3,582.74x = 10,707,919.27
  5. Step 5: Solve for x
    x = 10,707,919.27/3,582.74
  6. Step 6: Final answer
    x = 2,988.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.