Home / 3,722.50-5,582.08-2,678.13

Finding the Fourth Proportional to 3,722.50, 5,582.08 and 2,678.13

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Solution

The fourth proportional to 3,722.50, 5,582.08 and 2,678.13 is: 4,015.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.50 : 5,582.08 = 2,678.13 : x
  2. Step 2: Convert to fraction form
    3,722.50/5,582.08 = 2,678.13/x
  3. Step 3: Cross multiply
    3,722.50x = 5,582.08 × 2,678.13
  4. Step 4: Simplify right side
    3,722.50x = 14,949,535.91
  5. Step 5: Solve for x
    x = 14,949,535.91/3,722.50
  6. Step 6: Final answer
    x = 4,015.99

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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.