Home / 2,209.50-3,050.46-1,424.94

Finding the Fourth Proportional to 2,209.50, 3,050.46 and 1,424.94

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Solution

The fourth proportional to 2,209.50, 3,050.46 and 1,424.94 is: 1,967.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209.50 : 3,050.46 = 1,424.94 : x
  2. Step 2: Convert to fraction form
    2,209.50/3,050.46 = 1,424.94/x
  3. Step 3: Cross multiply
    2,209.50x = 3,050.46 × 1,424.94
  4. Step 4: Simplify right side
    2,209.50x = 4,346,722.47
  5. Step 5: Solve for x
    x = 4,346,722.47/2,209.50
  6. Step 6: Final answer
    x = 1,967.29

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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.