Home / 3,417.40-5,122.38-2,243.68

Finding the Fourth Proportional to 3,417.40, 5,122.38 and 2,243.68

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Solution

The fourth proportional to 3,417.40, 5,122.38 and 2,243.68 is: 3,363.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.40 : 5,122.38 = 2,243.68 : x
  2. Step 2: Convert to fraction form
    3,417.40/5,122.38 = 2,243.68/x
  3. Step 3: Cross multiply
    3,417.40x = 5,122.38 × 2,243.68
  4. Step 4: Simplify right side
    3,417.40x = 11,492,981.56
  5. Step 5: Solve for x
    x = 11,492,981.56/3,417.40
  6. Step 6: Final answer
    x = 3,363.08

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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.