Home / 2,418.41-3,337.20-1,355.93

Finding the Fourth Proportional to 2,418.41, 3,337.20 and 1,355.93

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Solution

The fourth proportional to 2,418.41, 3,337.20 and 1,355.93 is: 1,871.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.41 : 3,337.20 = 1,355.93 : x
  2. Step 2: Convert to fraction form
    2,418.41/3,337.20 = 1,355.93/x
  3. Step 3: Cross multiply
    2,418.41x = 3,337.20 × 1,355.93
  4. Step 4: Simplify right side
    2,418.41x = 4,524,997.99
  5. Step 5: Solve for x
    x = 4,524,997.99/2,418.41
  6. Step 6: Final answer
    x = 1,871.06

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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.